2131233222 has 32 divisors (see below), whose sum is σ = 4450360320. Its totient is φ = 679131200.

The previous prime is 2131233157. The next prime is 2131233241. The reversal of 2131233222 is 2223321312.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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, 321154 + ... + 327722.

It is an arithmetic number, because the mean of its divisors is an integer number (139073760).

Almost surely, 2^2131233222 is an apocalyptic number.

2131233222 is an abundant number, since it is smaller than the sum of its proper divisors (2319127098).

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

2131233222 is a wasteful number, since it uses less digits than its factorization.

2131233222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948.

The product of its digits is 864, while the sum is 21.

The square root of 2131233222 is about 46165.2815652629. The cubic root of 2131233222 is about 1286.8966167833.

Adding to 2131233222 its reverse (2223321312), we get a palindrome (4354554534).

The spelling of 2131233222 in words is "two billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred twenty-two".