22770472 has 16 divisors (see below), whose sum is σ = 43175700. Its totient is φ = 11256960.

The previous prime is 22770467. The next prime is 22770479. The reversal of 22770472 is 27407722.

It can be written as a sum of positive squares in 2 ways, for example, as 18714276 + 4056196 = 4326^2 + 2014^2 .

It is not an unprimeable number, because it can be changed into a prime (22770479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15279 + ... + 16702.

Almost surely, 2^22770472 is an apocalyptic number.

It is an amenable number.

22770472 is a deficient number, since it is larger than the sum of its proper divisors (20405228).

22770472 is a wasteful number, since it uses less digits than its factorization.

22770472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32076 (or 32072 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 22770472 is about 4771.8415732294. The cubic root of 22770472 is about 283.4375232349.

The spelling of 22770472 in words is "twenty-two million, seven hundred seventy thousand, four hundred seventy-two".