22166088 has 32 divisors (see below), whose sum is σ = 63332160. Its totient is φ = 6333120.

The previous prime is 22166087. The next prime is 22166101. The reversal of 22166088 is 88066122.

It is not an unprimeable number, because it can be changed into a prime (22166087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65803 + ... + 66138.

It is an arithmetic number, because the mean of its divisors is an integer number (1979130).

Almost surely, 2^22166088 is an apocalyptic number.

22166088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22166088 is an abundant number, since it is smaller than the sum of its proper divisors (41166072).

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

22166088 is a wasteful number, since it uses less digits than its factorization.

22166088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131957 (or 131953 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 22166088 is about 4708.0875098069. The cubic root of 22166088 is about 280.9072949763.

The spelling of 22166088 in words is "twenty-two million, one hundred sixty-six thousand, eighty-eight".