22776472 has 8 divisors (see below), whose sum is σ = 42705900. Its totient is φ = 11388232.

The previous prime is 22776451. The next prime is 22776491. The reversal of 22776472 is 27467722.

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1423522 + ... + 1423537.

Almost surely, 2^22776472 is an apocalyptic number.

It is an amenable number.

22776472 is a deficient number, since it is larger than the sum of its proper divisors (19929428).

22776472 is a wasteful number, since it uses less digits than its factorization.

22776472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847065 (or 2847061 counting only the distinct ones).

The product of its digits is 65856, while the sum is 37.

The square root of 22776472 is about 4772.4702199176. The cubic root of 22776472 is about 283.4624162307.

The spelling of 22776472 in words is "twenty-two million, seven hundred seventy-six thousand, four hundred seventy-two".