22374756 has 18 divisors (see below), whose sum is σ = 56558502. Its totient is φ = 7458240.

The previous prime is 22374743. The next prime is 22374767. The reversal of 22374756 is 65747322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15872256 + 6502500 = 3984^2 + 2550^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 621521 = 22374756 / (2 + 2 + 3 + 7 + 4 + 7 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 22374756.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310725 + ... + 310796.

It is an arithmetic number, because the mean of its divisors is an integer number (3142139).

Almost surely, 2^22374756 is an apocalyptic number.

It is an amenable number.

22374756 is an abundant number, since it is smaller than the sum of its proper divisors (34183746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22374756 is a wasteful number, since it uses less digits than its factorization.

22374756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621531 (or 621526 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 22374756 is about 4730.1961904344. The cubic root of 22374756 is about 281.7860154250.

The spelling of 22374756 in words is "twenty-two million, three hundred seventy-four thousand, seven hundred fifty-six".