22391084 has 12 divisors (see below), whose sum is σ = 40140408. Its totient is φ = 10922400.

The previous prime is 22391077. The next prime is 22391099. The reversal of 22391084 is 48019322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68102 + ... + 68429.

It is an arithmetic number, because the mean of its divisors is an integer number (3345034).

Almost surely, 2^22391084 is an apocalyptic number.

It is an amenable number.

22391084 is a deficient number, since it is larger than the sum of its proper divisors (17749324).

22391084 is a wasteful number, since it uses less digits than its factorization.

22391084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136576 (or 136574 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22391084 is about 4731.9218083142. The cubic root of 22391084 is about 281.8545432981.

The spelling of 22391084 in words is "twenty-two million, three hundred ninety-one thousand, eighty-four".