23722474 has 4 divisors (see below), whose sum is σ = 35583714. Its totient is φ = 11861236.

The previous prime is 23722421. The next prime is 23722481. The reversal of 23722474 is 47422732.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21298225 + 2424249 = 4615^2 + 1557^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5930617 + ... + 5930620.

Almost surely, 2^23722474 is an apocalyptic number.

23722474 is a deficient number, since it is larger than the sum of its proper divisors (11861240).

23722474 is a wasteful number, since it uses less digits than its factorization.

23722474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11861239.

The product of its digits is 18816, while the sum is 31.

The square root of 23722474 is about 4870.5722456401. The cubic root of 23722474 is about 287.3337624982. Note that the first 3 decimals are identical.

The spelling of 23722474 in words is "twenty-three million, seven hundred twenty-two thousand, four hundred seventy-four".