23222304 has 72 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 6634368.

The previous prime is 23222299. The next prime is 23222363. The reversal of 23222304 is 40322232.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 3744 + ... + 7775.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 2^23222304 is an apocalyptic number.

23222304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23222304 is an abundant number, since it is smaller than the sum of its proper divisors (52256736).

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

23222304 is a wasteful number, since it uses less digits than its factorization.

23222304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11542 (or 11531 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 23222304 is about 4818.9525832903. The cubic root of 23222304 is about 285.2999980466.

Adding to 23222304 its reverse (40322232), we get a palindrome (63544536).

The spelling of 23222304 in words is "twenty-three million, two hundred twenty-two thousand, three hundred four".