22156662 has 32 divisors (see below), whose sum is σ = 48522240. Its totient is φ = 6689120.

The previous prime is 22156649. The next prime is 22156663. The reversal of 22156662 is 26665122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22156663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25243 + ... + 26105.

It is an arithmetic number, because the mean of its divisors is an integer number (1516320).

Almost surely, 2^22156662 is an apocalyptic number.

22156662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22156662 is an abundant number, since it is smaller than the sum of its proper divisors (26365578).

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

22156662 is a wasteful number, since it uses less digits than its factorization.

22156662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268.

The product of its digits is 8640, while the sum is 30.

The square root of 22156662 is about 4707.0863599471. The cubic root of 22156662 is about 280.8674712664.

The spelling of 22156662 in words is "twenty-two million, one hundred fifty-six thousand, six hundred sixty-two".