3331220221332 has 60 divisors (see below), whose sum is σ = 8838444864480. Its totient is φ = 1093833498384.

The previous prime is 3331220221309. The next prime is 3331220221361. The reversal of 3331220221332 is 2331220221333.

It is a super-2 number, since 2×3331220221332² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3331220221296 and 3331220221305.

It is a congruent number.

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, 76706232 + ... + 76749647.

It is an arithmetic number, because the mean of its divisors is an integer number (147307414408).

Almost surely, 2^{3331220221332} is an apocalyptic number.

It is an amenable number.

3331220221332 is an abundant number, since it is smaller than the sum of its proper divisors (5507224643148).

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

3331220221332 is a wasteful number, since it uses less digits than its factorization.

3331220221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153455962 (or 153455951 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 3331220221332 its reverse (2331220221333), we get a palindrome (5662440442665).

Subtracting from 3331220221332 its reverse (2331220221333), we obtain a palindrome (999999999999).

The spelling of 3331220221332 in words is "three trillion, three hundred thirty-one billion, two hundred twenty million, two hundred twenty-one thousand, three hundred thirty-two".