22152392 has 8 divisors (see below), whose sum is σ = 41535750. Its totient is φ = 11076192.

The previous prime is 22152373. The next prime is 22152401. The reversal of 22152392 is 29325122.

It can be written as a sum of positive squares in only one way, i.e., 15319396 + 6832996 = 3914^2 + 2614^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384517 + ... + 1384532.

Almost surely, 2^22152392 is an apocalyptic number.

It is an amenable number.

22152392 is a deficient number, since it is larger than the sum of its proper divisors (19383358).

22152392 is a wasteful number, since it uses less digits than its factorization.

22152392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769055 (or 2769051 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 22152392 is about 4706.6327666390. The cubic root of 22152392 is about 280.8494273156.

The spelling of 22152392 in words is "twenty-two million, one hundred fifty-two thousand, three hundred ninety-two".