22628904652 has 6 divisors (see below), whose sum is σ = 39600583148. Its totient is φ = 11314452324.

The previous prime is 22628904647. The next prime is 22628904659. The reversal of 22628904652 is 25640982622.

It is a super-2 number, since 2×22628904652² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22628904659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828613078 + ... + 2828613085.

Almost surely, 2^22628904652 is an apocalyptic number.

It is an amenable number.

22628904652 is a deficient number, since it is larger than the sum of its proper divisors (16971678496).

22628904652 is a wasteful number, since it uses less digits than its factorization.

22628904652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657226167 (or 5657226165 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 22628904652 in words is "twenty-two billion, six hundred twenty-eight million, nine hundred four thousand, six hundred fifty-two".