1222041131 has 4 divisors (see below), whose sum is σ = 1233905712. Its totient is φ = 1210176552.

The previous prime is 1222041127. The next prime is 1222041151. The reversal of 1222041131 is 1311402221.

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 1222041131 - 2² = 1222041127 is a prime.

It is a super-2 number, since 2×1222041131² = 2986769051711518322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222041151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5932136 + ... + 5932341.

It is an arithmetic number, because the mean of its divisors is an integer number (308476428).

Almost surely, 2^1222041131 is an apocalyptic number.

1222041131 is a deficient number, since it is larger than the sum of its proper divisors (11864581).

1222041131 is a wasteful number, since it uses less digits than its factorization.

1222041131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11864580.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1222041131 is about 34957.7048874780. The cubic root of 1222041131 is about 1069.1253022711.

Adding to 1222041131 its reverse (1311402221), we get a palindrome (2533443352).

The spelling of 1222041131 in words is "one billion, two hundred twenty-two million, forty-one thousand, one hundred thirty-one".