22380172 has 6 divisors (see below), whose sum is σ = 39165308. Its totient is φ = 11190084.

The previous prime is 22380133. The next prime is 22380181. The reversal of 22380172 is 27108322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2797518 + ... + 2797525.

Almost surely, 2^22380172 is an apocalyptic number.

It is an amenable number.

22380172 is a deficient number, since it is larger than the sum of its proper divisors (16785136).

22380172 is a wasteful number, since it uses less digits than its factorization.

22380172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595047 (or 5595045 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 22380172 is about 4730.7686479049. The cubic root of 22380172 is about 281.8087498247.

Adding to 22380172 its reverse (27108322), we get a palindrome (49488494).

The spelling of 22380172 in words is "twenty-two million, three hundred eighty thousand, one hundred seventy-two".