1022231131 has 8 divisors (see below), whose sum is σ = 1107534384. Its totient is φ = 939724800.

The previous prime is 1022231099. The next prime is 1022231137. The reversal of 1022231131 is 1311322201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022231131 - 2⁵ = 1022231099 is a prime.

It is a super-2 number, since 2×1022231131² = 2089912970371078322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022231137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698470 + ... + 699931.

It is an arithmetic number, because the mean of its divisors is an integer number (138441798).

Almost surely, 2^1022231131 is an apocalyptic number.

1022231131 is a deficient number, since it is larger than the sum of its proper divisors (85303253).

1022231131 is a wasteful number, since it uses less digits than its factorization.

1022231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398461.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1022231131 is about 31972.3494757580. The cubic root of 1022231131 is about 1007.3561316406.

Adding to 1022231131 its reverse (1311322201), we get a palindrome (2333553332).

The spelling of 1022231131 in words is "one billion, twenty-two million, two hundred thirty-one thousand, one hundred thirty-one".