22252112 has 10 divisors (see below), whose sum is σ = 43113498. Its totient is φ = 11126048.

The previous prime is 22252067. The next prime is 22252117. The reversal of 22252112 is 21125222.

It can be written as a sum of positive squares in only one way, i.e., 17774656 + 4477456 = 4216^2 + 2116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695363 + ... + 695394.

Almost surely, 2^22252112 is an apocalyptic number.

It is an amenable number.

22252112 is a deficient number, since it is larger than the sum of its proper divisors (20861386).

22252112 is a wasteful number, since it uses less digits than its factorization.

22252112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390765 (or 1390759 counting only the distinct ones).

The product of its digits is 160, while the sum is 17.

The square root of 22252112 is about 4717.2144322683. The cubic root of 22252112 is about 281.2702153700.

Adding to 22252112 its reverse (21125222), we get a palindrome (43377334).

The spelling of 22252112 in words is "twenty-two million, two hundred fifty-two thousand, one hundred twelve".