23221488 has 40 divisors (see below), whose sum is σ = 60196048. Its totient is φ = 7713792.

The previous prime is 23221487. The next prime is 23221531. The reversal of 23221488 is 88412232.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17256 + ... + 18552.

Almost surely, 2^23221488 is an apocalyptic number.

It is an amenable number.

23221488 is an abundant number, since it is smaller than the sum of its proper divisors (36974560).

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

23221488 is a wasteful number, since it uses less digits than its factorization.

23221488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681 (or 1675 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 23221488 is about 4818.8679168452. The cubic root of 23221488 is about 285.2966563235.

The spelling of 23221488 in words is "twenty-three million, two hundred twenty-one thousand, four hundred eighty-eight".