33330131222 has 4 divisors (see below), whose sum is σ = 49995196836. Its totient is φ = 16665065610.

The previous prime is 33330131207. The next prime is 33330131239. The reversal of 33330131222 is 22213103333.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×33330131222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8332532804 + ... + 8332532807.

It is an arithmetic number, because the mean of its divisors is an integer number (12498799209).

Almost surely, 2^33330131222 is an apocalyptic number.

33330131222 is a deficient number, since it is larger than the sum of its proper divisors (16665065614).

33330131222 is a wasteful number, since it uses less digits than its factorization.

33330131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16665065613.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33330131222 its reverse (22213103333), we get a palindrome (55543234555).

The spelling of 33330131222 in words is "thirty-three billion, three hundred thirty million, one hundred thirty-one thousand, two hundred twenty-two".