22400628660399 has 64 divisors (see below), whose sum is σ = 36574740836352. Its totient is φ = 12031164057600.

The previous prime is 22400628660391. The next prime is 22400628660427. The reversal of 22400628660399 is 99306682600422.

It is not a de Polignac number, because 22400628660399 - 2³ = 22400628660391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400628660391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16762732 + ... + 18049665.

It is an arithmetic number, because the mean of its divisors is an integer number (571480325568).

Almost surely, 2^{22400628660399} is an apocalyptic number.

22400628660399 is a deficient number, since it is larger than the sum of its proper divisors (14174112175953).

22400628660399 is a wasteful number, since it uses less digits than its factorization.

22400628660399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34812496.

The product of its (nonzero) digits is 13436928, while the sum is 57.

The spelling of 22400628660399 in words is "twenty-two trillion, four hundred billion, six hundred twenty-eight million, six hundred sixty thousand, three hundred ninety-nine".