22273924 has 6 divisors (see below), whose sum is σ = 38979374. Its totient is φ = 11136960.

The previous prime is 22273897. The next prime is 22273973. The reversal of 22273924 is 42937222.

It can be written as a sum of positive squares in only one way, i.e., 22259524 + 14400 = 4718^2 + 120^2 .

It is a super-2 number, since 2×22273924² = 992255380715552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2784237 + ... + 2784244.

Almost surely, 2^22273924 is an apocalyptic number.

It is an amenable number.

22273924 is a deficient number, since it is larger than the sum of its proper divisors (16705450).

22273924 is a wasteful number, since it uses less digits than its factorization.

22273924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568485 (or 5568483 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 22273924 is about 4719.5258236395. The cubic root of 22273924 is about 281.3620877348.

The spelling of 22273924 in words is "twenty-two million, two hundred seventy-three thousand, nine hundred twenty-four".