23221331010 has 48 divisors (see below), whose sum is σ = 61276602816. Its totient is φ = 6099930144.

The previous prime is 23221331009. The next prime is 23221331051. The reversal of 23221331010 is 1013312232.

23221331010 is a `hidden beast` number, since 2 + 322 + 1 + 331 + 0 + 10 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1919454 + ... + 1931513.

It is an arithmetic number, because the mean of its divisors is an integer number (1276595892).

Almost surely, 2^23221331010 is an apocalyptic number.

23221331010 is an abundant number, since it is smaller than the sum of its proper divisors (38055271806).

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

23221331010 is a wasteful number, since it uses less digits than its factorization.

23221331010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851047 (or 3851044 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23221331010 its reverse (1013312232), we get a palindrome (24234643242).

The spelling of 23221331010 in words is "twenty-three billion, two hundred twenty-one million, three hundred thirty-one thousand, ten".