22115522207 has 32 divisors (see below), whose sum is σ = 25361280000. Its totient is φ = 19157326848.

The previous prime is 22115522179. The next prime is 22115522227. The reversal of 22115522207 is 70222551122.

It is a cyclic number.

It is not a de Polignac number, because 22115522207 - 2¹² = 22115518111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22115522207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22115522227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1572794 + ... + 1586792.

It is an arithmetic number, because the mean of its divisors is an integer number (792540000).

Almost surely, 2^22115522207 is an apocalyptic number.

22115522207 is a deficient number, since it is larger than the sum of its proper divisors (3245757793).

22115522207 is a wasteful number, since it uses less digits than its factorization.

22115522207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14175.

The product of its (nonzero) digits is 5600, while the sum is 29.

The spelling of 22115522207 in words is "twenty-two billion, one hundred fifteen million, five hundred twenty-two thousand, two hundred seven".