22472756 has 12 divisors (see below), whose sum is σ = 40286820. Its totient is φ = 10962240.

The previous prime is 22472753. The next prime is 22472809. The reversal of 22472756 is 65727422.

It can be written as a sum of positive squares in 2 ways, for example, as 532900 + 21939856 = 730^2 + 4684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22472753) 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, 68351 + ... + 68678.

It is an arithmetic number, because the mean of its divisors is an integer number (3357235).

Almost surely, 2^22472756 is an apocalyptic number.

It is an amenable number.

22472756 is a deficient number, since it is larger than the sum of its proper divisors (17814064).

22472756 is a wasteful number, since it uses less digits than its factorization.

22472756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137074 (or 137072 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 22472756 is about 4740.5438506568. The cubic root of 22472756 is about 282.1968178188.

The spelling of 22472756 in words is "twenty-two million, four hundred seventy-two thousand, seven hundred fifty-six".