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23222002 = 211611001
BaseRepresentation
bin101100010010…
…1011011110010
31121200210121011
41120211123302
521421101002
62145421134
7401245426
oct130453362
947623534
1023222002
1112121041
12793a7aa
134a70b3b
143126b86
15208a8d7
hex16256f2

23222002 has 4 divisors (see below), whose sum is σ = 34833006. Its totient is φ = 11611000.

The previous prime is 23221997. The next prime is 23222033. The reversal of 23222002 is 20022232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22838841 + 383161 = 4779^2 + 619^2 .

It is a super-2 number, since 2×232220022 = 1078522753776008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805499 + ... + 5805502.

Almost surely, 223222002 is an apocalyptic number.

23222002 is a deficient number, since it is larger than the sum of its proper divisors (11611004).

23222002 is a wasteful number, since it uses less digits than its factorization.

23222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11611003.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 23222002 is about 4818.9212485784. The cubic root of 23222002 is about 285.2987612906.

Adding to 23222002 its reverse (20022232), we get a palindrome (43244234).

The spelling of 23222002 in words is "twenty-three million, two hundred twenty-two thousand, two".

Divisors: 1 2 11611001 23222002