232221201440144 has 100 divisors (see below), whose sum is σ = 528892212623280. Its totient is φ = 98763649508160.

The previous prime is 232221201440047. The next prime is 232221201440153. The reversal of 232221201440144 is 441044102122232.

It is a super-2 number, since 2×232221201440144² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232221201440144.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18039674 + ... + 28104665.

Almost surely, 2^{232221201440144} is an apocalyptic number.

It is an amenable number.

232221201440144 is an abundant number, since it is smaller than the sum of its proper divisors (296671011183136).

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

232221201440144 is an equidigital number, since it uses as much as digits as its factorization.

232221201440144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46144506 (or 46144479 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 232221201440144 its reverse (441044102122232), we get a palindrome (673265303562376).

The spelling of 232221201440144 in words is "two hundred thirty-two trillion, two hundred twenty-one billion, two hundred one million, four hundred forty thousand, one hundred forty-four".