232221402231 has 32 divisors (see below), whose sum is σ = 383605060608. Its totient is φ = 121679193600.

The previous prime is 232221402229. The next prime is 232221402247. The reversal of 232221402231 is 132204122232.

It is not a de Polignac number, because 232221402231 - 2¹ = 232221402229 is a prime.

It is a super-2 number, since 2×232221402231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232221402251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2775426 + ... + 2857871.

It is an arithmetic number, because the mean of its divisors is an integer number (11987658144).

Almost surely, 2^232221402231 is an apocalyptic number.

232221402231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

232221402231 is a deficient number, since it is larger than the sum of its proper divisors (151383658377).

232221402231 is a wasteful number, since it uses less digits than its factorization.

232221402231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633471.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 232221402231 its reverse (132204122232), we get a palindrome (364425524463).

The spelling of 232221402231 in words is "two hundred thirty-two billion, two hundred twenty-one million, four hundred two thousand, two hundred thirty-one".