22074372 has 18 divisors (see below), whose sum is σ = 55799198. Its totient is φ = 7358112.

The previous prime is 22074361. The next prime is 22074383. The reversal of 22074372 is 27347022.

22074372 is a `hidden beast` number, since 220 + 7 + 437 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (22074361) and next prime (22074383).

It can be written as a sum of positive squares in only one way, i.e., 12489156 + 9585216 = 3534^2 + 3096^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306553 + ... + 306624.

Almost surely, 2^22074372 is an apocalyptic number.

It is an amenable number.

22074372 is an abundant number, since it is smaller than the sum of its proper divisors (33724826).

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

22074372 is a wasteful number, since it uses less digits than its factorization.

22074372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613187 (or 613182 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 22074372 is about 4698.3371526531. The cubic root of 22074372 is about 280.5193253102.

The spelling of 22074372 in words is "twenty-two million, seventy-four thousand, three hundred seventy-two".