23722372 has 24 divisors (see below), whose sum is σ = 42461496. Its totient is φ = 11593728.

The previous prime is 23722367. The next prime is 23722373. The reversal of 23722372 is 27322732.

It can be written as a sum of positive squares in 4 ways, for example, as 6031936 + 17690436 = 2456^2 + 4206^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23722372.

It is not an unprimeable number, because it can be changed into a prime (23722373) 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 7 ways as a sum of consecutive naturals, for example, 39708 + ... + 40300.

It is an arithmetic number, because the mean of its divisors is an integer number (1769229).

Almost surely, 2^23722372 is an apocalyptic number.

It is an amenable number.

23722372 is a deficient number, since it is larger than the sum of its proper divisors (18739124).

23722372 is a wasteful number, since it uses less digits than its factorization.

23722372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 805 counting only the distinct ones).

The product of its digits is 7056, while the sum is 28.

The square root of 23722372 is about 4870.5617745800. The cubic root of 23722372 is about 287.3333506794. Note that the first 4 decimals are identical.

It can be divided in two parts, 2372237 and 2, that multiplied together give a palindrome (4744474).

The spelling of 23722372 in words is "twenty-three million, seven hundred twenty-two thousand, three hundred seventy-two".