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22224222792 = 2332175692
BaseRepresentation
bin10100101100101010…
…101011101001001000
32010100211210111022200
4110230222223221020
5331003400112132
614113142120200
71414510530312
oct245452535110
963324714280
1022224222792
119474aa3582
124382a20060
13213243a7b5
14110b86a7b2
158a116ed7c
hex52caaba48

22224222792 has 36 divisors (see below), whose sum is σ = 60194029545. Its totient is φ = 7407652608.

The previous prime is 22224222773. The next prime is 22224222793. The reversal of 22224222792 is 29722242222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

22224222792 is a `hidden beast` number, since 2 + 222 + 422 + 2 + 7 + 9 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14157668196 + 8066554596 = 118986^2 + 89814^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=105414.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22224222793) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1256184 + ... + 1273752.

Almost surely, 222224222792 is an apocalyptic number.

It is an amenable number.

22224222792 is an abundant number, since it is smaller than the sum of its proper divisors (37969806753).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22224222792 is an frugal number, since it uses more digits than its factorization.

22224222792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35150 (or 17574 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The spelling of 22224222792 in words is "twenty-two billion, two hundred twenty-four million, two hundred twenty-two thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 17569 35138 52707 70276 105414 140552 158121 210828 316242 421656 632484 1264968 308669761 617339522 926009283 1234679044 1852018566 2469358088 2778027849 3704037132 5556055698 7408074264 11112111396 22224222792