1222010131 has 4 divisors (see below), whose sum is σ = 1226328472. Its totient is φ = 1217691792.

The previous prime is 1222010093. The next prime is 1222010147. The reversal of 1222010131 is 1310102221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222010131 - 2²⁷ = 1087792403 is a prime.

It is a super-2 number, since 2×1222010131² = 2986617520533274322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222010161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158746 + ... + 2159311.

It is an arithmetic number, because the mean of its divisors is an integer number (306582118).

Almost surely, 2^1222010131 is an apocalyptic number.

1222010131 is a deficient number, since it is larger than the sum of its proper divisors (4318341).

1222010131 is an equidigital number, since it uses as much as digits as its factorization.

1222010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318340.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1222010131 is about 34957.2614917130. The cubic root of 1222010131 is about 1069.1162618868.

Adding to 1222010131 its reverse (1310102221), we get a palindrome (2532112352).

The spelling of 1222010131 in words is "one billion, two hundred twenty-two million, ten thousand, one hundred thirty-one".