2131133222 has 4 divisors (see below), whose sum is σ = 3196699836. Its totient is φ = 1065566610.

The previous prime is 2131133203. The next prime is 2131133261. The reversal of 2131133222 is 2223311312.

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

It is a junction number, because it is equal to n+sod(n) for n = 2131133194 and 2131133203.

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, 532783304 + ... + 532783307.

It is an arithmetic number, because the mean of its divisors is an integer number (799174959).

Almost surely, 2^2131133222 is an apocalyptic number.

2131133222 is a deficient number, since it is larger than the sum of its proper divisors (1065566614).

2131133222 is a wasteful number, since it uses less digits than its factorization.

2131133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065566613.

The product of its digits is 432, while the sum is 20.

The square root of 2131133222 is about 46164.1984875726. The cubic root of 2131133222 is about 1286.8764888948.

Adding to 2131133222 its reverse (2223311312), we get a palindrome (4354444534).

The spelling of 2131133222 in words is "two billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty-two".