22401251655 has 32 divisors (see below), whose sum is σ = 37763159040. Its totient is φ = 11308106880.

The previous prime is 22401251647. The next prime is 22401251669. The reversal of 22401251655 is 55615210422.

It is not a de Polignac number, because 22401251655 - 2³ = 22401251647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278725 + ... + 349985.

It is an arithmetic number, because the mean of its divisors is an integer number (1180098720).

Almost surely, 2^22401251655 is an apocalyptic number.

22401251655 is a deficient number, since it is larger than the sum of its proper divisors (15361907385).

22401251655 is a wasteful number, since it uses less digits than its factorization.

22401251655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72391.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 22401251655 in words is "twenty-two billion, four hundred one million, two hundred fifty-one thousand, six hundred fifty-five".