22729797975 has 12 divisors (see below), whose sum is σ = 37579932776. Its totient is φ = 12122558880.

The previous prime is 22729797953. The next prime is 22729797977. The reversal of 22729797975 is 57979792722.

It is not a de Polignac number, because 22729797975 - 2⁵ = 22729797943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22729797977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151531912 + ... + 151532061.

Almost surely, 2^22729797975 is an apocalyptic number.

22729797975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22729797975 is a deficient number, since it is larger than the sum of its proper divisors (14850134801).

22729797975 is a wasteful number, since it uses less digits than its factorization.

22729797975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303063986 (or 303063981 counting only the distinct ones).

The product of its digits is 70013160, while the sum is 66.

The spelling of 22729797975 in words is "twenty-two billion, seven hundred twenty-nine million, seven hundred ninety-seven thousand, nine hundred seventy-five".