2131154222 has 16 divisors (see below), whose sum is σ = 3256729200. Its totient is φ = 1045642560.

The previous prime is 2131154219. The next prime is 2131154239. The reversal of 2131154222 is 2224511312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51272 + ... + 83012.

It is an arithmetic number, because the mean of its divisors is an integer number (203545575).

Almost surely, 2^2131154222 is an apocalyptic number.

2131154222 is a deficient number, since it is larger than the sum of its proper divisors (1125574978).

2131154222 is a wasteful number, since it uses less digits than its factorization.

2131154222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32371.

The product of its digits is 960, while the sum is 23.

The square root of 2131154222 is about 46164.4259359953. The cubic root of 2131154222 is about 1286.8807158036.

Adding to 2131154222 its reverse (2224511312), we get a palindrome (4355665534).

The spelling of 2131154222 in words is "two billion, one hundred thirty-one million, one hundred fifty-four thousand, two hundred twenty-two".