32131223222 has 32 divisors (see below), whose sum is σ = 55432441152. Its totient is φ = 13683032064.

The previous prime is 32131223213. The next prime is 32131223237. The reversal of 32131223222 is 22232213123.

It is a super-2 number, since 2×32131223222² (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 in 15 ways as a sum of consecutive naturals, for example, 6432758 + ... + 6437750.

It is an arithmetic number, because the mean of its divisors is an integer number (1732263786).

Almost surely, 2^32131223222 is an apocalyptic number.

32131223222 is a deficient number, since it is larger than the sum of its proper divisors (23301217930).

32131223222 is a wasteful number, since it uses less digits than its factorization.

32131223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832.

The product of its digits is 1728, while the sum is 23.

Adding to 32131223222 its reverse (22232213123), we get a palindrome (54363436345).

The spelling of 32131223222 in words is "thirty-two billion, one hundred thirty-one million, two hundred twenty-three thousand, two hundred twenty-two".