22629121657 has 8 divisors (see below), whose sum is σ = 23822004960. Its totient is φ = 21436426080.

The previous prime is 22629121589. The next prime is 22629121687. The reversal of 22629121657 is 75612192622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22629121657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22629121687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248133 + ... + 326845.

It is an arithmetic number, because the mean of its divisors is an integer number (2977750620).

Almost surely, 2^22629121657 is an apocalyptic number.

It is an amenable number.

22629121657 is a deficient number, since it is larger than the sum of its proper divisors (1192883303).

22629121657 is a wasteful number, since it uses less digits than its factorization.

22629121657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93863.

The product of its digits is 181440, while the sum is 43.

The spelling of 22629121657 in words is "twenty-two billion, six hundred twenty-nine million, one hundred twenty-one thousand, six hundred fifty-seven".