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23022222224 = 241438888889
BaseRepresentation
bin10101011100001110…
…110011101110010000
32012102110101001202012
4111130032303232100
5334122142102344
614324250042052
71443340442261
oct253416635620
965373331665
1023022222224
119844498341
124566119328
13222b86cc01
141185834968
158eb24e29e
hex55c3b3b90

23022222224 has 10 divisors (see below), whose sum is σ = 44605555590. Its totient is φ = 11511111104.

The previous prime is 23022222149. The next prime is 23022222227. The reversal of 23022222224 is 42222222032.

It can be written as a sum of positive squares in only one way, i.e., 14323302400 + 8698919824 = 119680^2 + 93268^2 .

It is a super-2 number, since 2×230222222242 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23022222224.

It is not an unprimeable number, because it can be changed into a prime (23022222227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719444429 + ... + 719444460.

It is an arithmetic number, because the mean of its divisors is an integer number (4460555559).

Almost surely, 223022222224 is an apocalyptic number.

It is an amenable number.

23022222224 is a deficient number, since it is larger than the sum of its proper divisors (21583333366).

23022222224 is a wasteful number, since it uses less digits than its factorization.

23022222224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438888897 (or 1438888891 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 23022222224 its reverse (42222222032), we get a palindrome (65244444256).

The spelling of 23022222224 in words is "twenty-three billion, twenty-two million, two hundred twenty-two thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 1438888889 2877777778 5755555556 11511111112 23022222224