1202222131 has 32 divisors (see below), whose sum is σ = 1421925120. Its totient is φ = 1004659200.

The previous prime is 1202222111. The next prime is 1202222143. The reversal of 1202222131 is 1312222021.

It is a happy number.

It is not a de Polignac number, because 1202222131 - 2⁷ = 1202222003 is a prime.

It is a super-2 number, since 2×1202222131² = 2890676104532362322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1202222101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2630455 + ... + 2630911.

It is an arithmetic number, because the mean of its divisors is an integer number (44435160).

Almost surely, 2^1202222131 is an apocalyptic number.

1202222131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202222131 is a deficient number, since it is larger than the sum of its proper divisors (219702989).

1202222131 is a wasteful number, since it uses less digits than its factorization.

1202222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1202222131 is about 34673.0750150603. The cubic root of 1202222131 is about 1063.3140998695.

Adding to 1202222131 its reverse (1312222021), we get a palindrome (2514444152).

The spelling of 1202222131 in words is "one billion, two hundred two million, two hundred twenty-two thousand, one hundred thirty-one".