22729797974 has 24 divisors (see below), whose sum is σ = 36987649632. Its totient is φ = 10471200480.

The previous prime is 22729797953. The next prime is 22729797977. The reversal of 22729797974 is 47979792722.

It is a self number, because there is not a number n which added to its sum of digits gives 22729797974.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120707 + ... + 245009.

It is an arithmetic number, because the mean of its divisors is an integer number (1541152068).

Almost surely, 2^22729797974 is an apocalyptic number.

22729797974 is a deficient number, since it is larger than the sum of its proper divisors (14257851658).

22729797974 is a wasteful number, since it uses less digits than its factorization.

22729797974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124872 (or 124859 counting only the distinct ones).

The product of its digits is 56010528, while the sum is 65.

The spelling of 22729797974 in words is "twenty-two billion, seven hundred twenty-nine million, seven hundred ninety-seven thousand, nine hundred seventy-four".