22052394 has 48 divisors (see below), whose sum is σ = 58810752. Its totient is φ = 5815584.

The previous prime is 22052347. The next prime is 22052431. The reversal of 22052394 is 49325022.

22052394 is a `hidden beast` number, since 220 + 52 + 394 = 666.

It is a super-2 number, since 2×22052394² = 972616162262472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5094 + ... + 8369.

It is an arithmetic number, because the mean of its divisors is an integer number (1225224).

Almost surely, 2^22052394 is an apocalyptic number.

22052394 is an abundant number, since it is smaller than the sum of its proper divisors (36758358).

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

22052394 is a wasteful number, since it uses less digits than its factorization.

22052394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13491 (or 13488 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 22052394 is about 4695.9976575803. The cubic root of 22052394 is about 280.4261961833.

The spelling of 22052394 in words is "twenty-two million, fifty-two thousand, three hundred ninety-four".