22277252 has 24 divisors (see below), whose sum is σ = 39748800. Its totient is φ = 10922976.

The previous prime is 22277243. The next prime is 22277257. The reversal of 22277252 is 25277222.

It is not an unprimeable number, because it can be changed into a prime (22277257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57074 + ... + 57462.

It is an arithmetic number, because the mean of its divisors is an integer number (1656200).

Almost surely, 2^22277252 is an apocalyptic number.

It is an amenable number.

22277252 is a deficient number, since it is larger than the sum of its proper divisors (17471548).

22277252 is a wasteful number, since it uses less digits than its factorization.

22277252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its digits is 7840, while the sum is 29.

The square root of 22277252 is about 4719.8783882638. The cubic root of 22277252 is about 281.3761000300.

The spelling of 22277252 in words is "twenty-two million, two hundred seventy-seven thousand, two hundred fifty-two".