1222003131 has 16 divisors (see below), whose sum is σ = 1700451360. Its totient is φ = 779609600.

The previous prime is 1222003121. The next prime is 1222003157. The reversal of 1222003131 is 1313002221.

It is not a de Polignac number, because 1222003131 - 2¹⁰ = 1222002107 is a prime.

It is a super-2 number, since 2×1222003131² = 2986583304347606322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222003131.

It is not an unprimeable number, because it can be changed into a prime (1222003121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52320 + ... + 71981.

It is an arithmetic number, because the mean of its divisors is an integer number (106278210).

Almost surely, 2^1222003131 is an apocalyptic number.

1222003131 is a deficient number, since it is larger than the sum of its proper divisors (478448229).

1222003131 is a wasteful number, since it uses less digits than its factorization.

1222003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124446.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1222003131 is about 34957.1613693103. The cubic root of 1222003131 is about 1069.1142204885.

Adding to 1222003131 its reverse (1313002221), we get a palindrome (2535005352).

The spelling of 1222003131 in words is "one billion, two hundred twenty-two million, three thousand, one hundred thirty-one".