1222133031 has 12 divisors (see below), whose sum is σ = 2017489552. Its totient is φ = 698361696.

The previous prime is 1222132999. The next prime is 1222133039. The reversal of 1222133031 is 1303312221.

It is not a de Polignac number, because 1222133031 - 2⁵ = 1222132999 is a prime.

It is a super-2 number, since 2×1222133031² = 2987218290922493922, 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 = 1222132995 and 1222133013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222133039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9699406 + ... + 9699531.

Almost surely, 2^1222133031 is an apocalyptic number.

1222133031 is a deficient number, since it is larger than the sum of its proper divisors (795356521).

1222133031 is a wasteful number, since it uses less digits than its factorization.

1222133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19398950 (or 19398947 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1222133031 is about 34959.0193083273. The cubic root of 1222133031 is about 1069.1521017380.

Adding to 1222133031 its reverse (1303312221), we get a palindrome (2525445252).

The spelling of 1222133031 in words is "one billion, two hundred twenty-two million, one hundred thirty-three thousand, thirty-one".