22706372 has 24 divisors (see below), whose sum is σ = 42948696. Its totient is φ = 10441728.

The previous prime is 22706371. The next prime is 22706399. The reversal of 22706372 is 27360722.

It can be written as a sum of positive squares in 4 ways, for example, as 1784896 + 20921476 = 1336^2 + 4574^2 .

It is not an unprimeable number, because it can be changed into a prime (22706371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17738 + ... + 18974.

It is an arithmetic number, because the mean of its divisors is an integer number (1789529).

Almost surely, 2^22706372 is an apocalyptic number.

It is an amenable number.

22706372 is a deficient number, since it is larger than the sum of its proper divisors (20242324).

22706372 is a wasteful number, since it uses less digits than its factorization.

22706372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 22706372 is about 4765.1203552481. The cubic root of 22706372 is about 283.1713097485.

The spelling of 22706372 in words is "twenty-two million, seven hundred six thousand, three hundred seventy-two".