22445255553242 has 64 divisors (see below), whose sum is σ = 35217015763968. Its totient is φ = 10718967168000.

The previous prime is 22445255553187. The next prime is 22445255553283. The reversal of 22445255553242 is 24235555254422.

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, 1382855267 + ... + 1382871497.

It is an arithmetic number, because the mean of its divisors is an integer number (550265871312).

Almost surely, 2^{22445255553242} is an apocalyptic number.

22445255553242 is a deficient number, since it is larger than the sum of its proper divisors (12771760210726).

22445255553242 is a wasteful number, since it uses less digits than its factorization.

22445255553242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17535.

The product of its digits is 19200000, while the sum is 50.

The spelling of 22445255553242 in words is "twenty-two trillion, four hundred forty-five billion, two hundred fifty-five million, five hundred fifty-three thousand, two hundred forty-two".