2221131033232 has 40 divisors (see below), whose sum is σ = 4540448856960. Its totient is φ = 1049673536640.

The previous prime is 2221131033227. The next prime is 2221131033263. The reversal of 2221131033232 is 2323301311222.

It is a super-3 number, since 3×2221131033232³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221131033197 and 2221131033206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8345023 + ... + 8607070.

It is an arithmetic number, because the mean of its divisors is an integer number (113511221424).

Almost surely, 2^{2221131033232} is an apocalyptic number.

It is an amenable number.

2221131033232 is an abundant number, since it is smaller than the sum of its proper divisors (2319317823728).

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

2221131033232 is a wasteful number, since it uses less digits than its factorization.

2221131033232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16952551 (or 16952545 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2221131033232 its reverse (2323301311222), we get a palindrome (4544432344454).

The spelling of 2221131033232 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-one million, thirty-three thousand, two hundred thirty-two".