22045756 has 12 divisors (see below), whose sum is σ = 39477592. Its totient is φ = 10766448.

The previous prime is 22045733. The next prime is 22045759. The reversal of 22045756 is 65754022.

It is a super-2 number, since 2×22045756² = 972030715223072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045759) 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, 63915 + ... + 64258.

Almost surely, 2^22045756 is an apocalyptic number.

It is an amenable number.

22045756 is a deficient number, since it is larger than the sum of its proper divisors (17431836).

22045756 is a wasteful number, since it uses less digits than its factorization.

22045756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128220 (or 128218 counting only the distinct ones).

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

The square root of 22045756 is about 4695.2908323127. The cubic root of 22045756 is about 280.3980562922.

Adding to 22045756 its reverse (65754022), we get a palindrome (87799778).

It can be divided in two parts, 22045 and 756, that added together give a square (22801 = 151²).

The spelling of 22045756 in words is "twenty-two million, forty-five thousand, seven hundred fifty-six".