22391274 has 16 divisors (see below), whose sum is σ = 44837280. Its totient is φ = 7454640.

The previous prime is 22391263. The next prime is 22391287. The reversal of 22391274 is 47219322.

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, 4669 + ... + 8159.

It is an arithmetic number, because the mean of its divisors is an integer number (2802330).

Almost surely, 2^22391274 is an apocalyptic number.

22391274 is an abundant number, since it is smaller than the sum of its proper divisors (22446006).

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

22391274 is a wasteful number, since it uses less digits than its factorization.

22391274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565.

The product of its digits is 6048, while the sum is 30.

The square root of 22391274 is about 4731.9418846812. The cubic root of 22391274 is about 281.8553405233.

The spelling of 22391274 in words is "twenty-two million, three hundred ninety-one thousand, two hundred seventy-four".