22252756 has 12 divisors (see below), whose sum is σ = 39088980. Its totient is φ = 11084480.

The previous prime is 22252733. The next prime is 22252757. The reversal of 22252756 is 65725222.

It can be written as a sum of positive squares in 2 ways, for example, as 1731856 + 20520900 = 1316^2 + 4530^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9265 + ... + 11416.

It is an arithmetic number, because the mean of its divisors is an integer number (3257415).

Almost surely, 2^22252756 is an apocalyptic number.

It is an amenable number.

22252756 is a deficient number, since it is larger than the sum of its proper divisors (16836224).

22252756 is a wasteful number, since it uses less digits than its factorization.

22252756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20954 (or 20952 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 22252756 is about 4717.2826923982. The cubic root of 22252756 is about 281.2729287644.

Adding to 22252756 its reverse (65725222), we get a palindrome (87977978).

The spelling of 22252756 in words is "twenty-two million, two hundred fifty-two thousand, seven hundred fifty-six".