22938222 has 16 divisors (see below), whose sum is σ = 47871360. Its totient is φ = 7313592.

The previous prime is 22938193. The next prime is 22938247. The reversal of 22938222 is 22283922.

It is a self number, because there is not a number n which added to its sum of digits gives 22938222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82972 + ... + 83247.

It is an arithmetic number, because the mean of its divisors is an integer number (2991960).

Almost surely, 2^22938222 is an apocalyptic number.

22938222 is an abundant number, since it is smaller than the sum of its proper divisors (24933138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22938222 is a wasteful number, since it uses less digits than its factorization.

22938222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166247.

The product of its digits is 6912, while the sum is 30.

The square root of 22938222 is about 4789.3863907603. The cubic root of 22938222 is about 284.1318487835.

The spelling of 22938222 in words is "twenty-two million, nine hundred thirty-eight thousand, two hundred twenty-two".