22646499057 has 72 divisors (see below), whose sum is σ = 42612648000. Its totient is φ = 11316599424.

The previous prime is 22646499049. The next prime is 22646499077. The reversal of 22646499057 is 75099464622.

It is not a de Polignac number, because 22646499057 - 2³ = 22646499049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22646498994 and 22646499012.

It is not an unprimeable number, because it can be changed into a prime (22646499077) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 146319 + ... + 258267.

Almost surely, 2^22646499057 is an apocalyptic number.

It is an amenable number.

22646499057 is a deficient number, since it is larger than the sum of its proper divisors (19966148943).

22646499057 is a wasteful number, since it uses less digits than its factorization.

22646499057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112007 (or 111991 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 22646499057 in words is "twenty-two billion, six hundred forty-six million, four hundred ninety-nine thousand, fifty-seven".