22066662222 has 64 divisors (see below), whose sum is σ = 53516574720. Its totient is φ = 6684163200.

The previous prime is 22066662181. The next prime is 22066662259. The reversal of 22066662222 is 22226666022.

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, 1847923 + ... + 1859825.

It is an arithmetic number, because the mean of its divisors is an integer number (836196480).

Almost surely, 2^22066662222 is an apocalyptic number.

22066662222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22066662222 is an abundant number, since it is smaller than the sum of its proper divisors (31449912498).

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

22066662222 is a wasteful number, since it uses less digits than its factorization.

22066662222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15046 (or 15040 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 22066662222 in words is "twenty-two billion, sixty-six million, six hundred sixty-two thousand, two hundred twenty-two".