2221231310232 has 64 divisors (see below), whose sum is σ = 6058629187200. Its totient is φ = 673019773440.

The previous prime is 2221231310227. The next prime is 2221231310317. The reversal of 2221231310232 is 2320131321222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1722928 + ... + 2722304.

It is an arithmetic number, because the mean of its divisors is an integer number (94666081050).

Almost surely, 2^{2221231310232} is an apocalyptic number.

2221231310232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2221231310232 is an abundant number, since it is smaller than the sum of its proper divisors (3837397876968).

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

2221231310232 is a wasteful number, since it uses less digits than its factorization.

2221231310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007816 (or 1007812 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2221231310232 its reverse (2320131321222), we get a palindrome (4541362631454).

The spelling of 2221231310232 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-one million, three hundred ten thousand, two hundred thirty-two".