1222303131 has 24 divisors (see below), whose sum is σ = 2020089344. Its totient is φ = 697656240.

The previous prime is 1222303109. The next prime is 1222303133. The reversal of 1222303131 is 1313032221.

1222303131 is a `hidden beast` number, since 122 + 230 + 313 + 1 = 666.

It is not a de Polignac number, because 1222303131 - 2⁶ = 1222303067 is a prime.

It is a super-2 number, since 2×1222303131² = 2988049888104806322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222303133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46446 + ... + 67836.

Almost surely, 2^1222303131 is an apocalyptic number.

1222303131 is a deficient number, since it is larger than the sum of its proper divisors (797786213).

1222303131 is a wasteful number, since it uses less digits than its factorization.

1222303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22311 (or 22308 counting only the distinct ones).

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

The square root of 1222303131 is about 34961.4520722467. The cubic root of 1222303131 is about 1069.2017019946.

Adding to 1222303131 its reverse (1313032221), we get a palindrome (2535335352).

The spelling of 1222303131 in words is "one billion, two hundred twenty-two million, three hundred three thousand, one hundred thirty-one".