22077090 has 64 divisors (see below), whose sum is σ = 67288320. Its totient is φ = 5045760.

The previous prime is 22077061. The next prime is 22077109. The reversal of 22077090 is 9077022.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 3951 + ... + 7730.

It is an arithmetic number, because the mean of its divisors is an integer number (1051380).

Almost surely, 2^22077090 is an apocalyptic number.

22077090 is an abundant number, since it is smaller than the sum of its proper divisors (45211230).

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

22077090 is a wasteful number, since it uses less digits than its factorization.

22077090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11704 (or 11698 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 22077090 is about 4698.6263950223. The cubic root of 22077090 is about 280.5308382121.

The spelling of 22077090 in words is "twenty-two million, seventy-seven thousand, ninety".