23220332 has 12 divisors (see below), whose sum is σ = 40673976. Its totient is φ = 11599200.

The previous prime is 23220319. The next prime is 23220347. The reversal of 23220332 is 23302232.

It is a self number, because there is not a number n which added to its sum of digits gives 23220332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3707 + ... + 7757.

It is an arithmetic number, because the mean of its divisors is an integer number (3389498).

Almost surely, 2^23220332 is an apocalyptic number.

It is an amenable number.

23220332 is a deficient number, since it is larger than the sum of its proper divisors (17453644).

23220332 is a wasteful number, since it uses less digits than its factorization.

23220332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488 (or 5486 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 23220332 is about 4818.7479701682. The cubic root of 23220332 is about 285.2919220819.

Adding to 23220332 its reverse (23302232), we get a palindrome (46522564).

The spelling of 23220332 in words is "twenty-three million, two hundred twenty thousand, three hundred thirty-two".