1222326131 has 12 divisors (see below), whose sum is σ = 1342239120. Its totient is φ = 1112398560.

The previous prime is 1222326103. The next prime is 1222326167. The reversal of 1222326131 is 1316232221.

It is not a de Polignac number, because 1222326131 - 2⁶ = 1222326067 is a prime.

It is a super-2 number, since 2×1222326131² = 2988162341050858322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222326097 and 1222326106.

It is not an unprimeable number, because it can be changed into a prime (1222323131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38936 + ... + 62933.

It is an arithmetic number, because the mean of its divisors is an integer number (111853260).

Almost surely, 2^1222326131 is an apocalyptic number.

1222326131 is a deficient number, since it is larger than the sum of its proper divisors (119912989).

1222326131 is a wasteful number, since it uses less digits than its factorization.

1222326131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101966 (or 101953 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1222326131 is about 34961.7810044054. The cubic root of 1222326131 is about 1069.2084083193.

Adding to 1222326131 its reverse (1316232221), we get a palindrome (2538558352).

The spelling of 1222326131 in words is "one billion, two hundred twenty-two million, three hundred twenty-six thousand, one hundred thirty-one".