23745222 has 24 divisors (see below), whose sum is σ = 51627576. Its totient is φ = 7887456.

The previous prime is 23745217. The next prime is 23745247. The reversal of 23745222 is 22254732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3378 + ... + 7674.

It is an arithmetic number, because the mean of its divisors is an integer number (2151149).

Almost surely, 2^23745222 is an apocalyptic number.

23745222 is an abundant number, since it is smaller than the sum of its proper divisors (27882354).

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

23745222 is a wasteful number, since it uses less digits than its factorization.

23745222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612 (or 4609 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 23745222 is about 4872.9069352903. The cubic root of 23745222 is about 287.4255767034.

Adding to 23745222 its reverse (22254732), we get a palindrome (45999954).

The spelling of 23745222 in words is "twenty-three million, seven hundred forty-five thousand, two hundred twenty-two".