22077264 has 40 divisors (see below), whose sum is σ = 62219232. Its totient is φ = 6689920.

The previous prime is 22077247. The next prime is 22077281. The reversal of 22077264 is 46277022.

It is an interprime number because it is at equal distance from previous prime (22077247) and next prime (22077281).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 20379 + ... + 21434.

Almost surely, 2^22077264 is an apocalyptic number.

22077264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22077264 is an abundant number, since it is smaller than the sum of its proper divisors (40141968).

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

22077264 is a wasteful number, since it uses less digits than its factorization.

22077264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41835 (or 41829 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 22077264 is about 4698.6449110355. The cubic root of 22077264 is about 280.5315752089.

The spelling of 22077264 in words is "twenty-two million, seventy-seven thousand, two hundred sixty-four".