1313212022 has 16 divisors (see below), whose sum is σ = 2086361712. Its totient is φ = 617783040.

The previous prime is 1313212009. The next prime is 1313212027. The reversal of 1313212022 is 2202123131.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313212027) 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, 198122 + ... + 204642.

It is an arithmetic number, because the mean of its divisors is an integer number (130397607).

Almost surely, 2^1313212022 is an apocalyptic number.

1313212022 is a deficient number, since it is larger than the sum of its proper divisors (773149690).

1313212022 is a wasteful number, since it uses less digits than its factorization.

1313212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12463.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1313212022 is about 36238.2673702814. The cubic root of 1313212022 is about 1095.0777373694.

Adding to 1313212022 its reverse (2202123131), we get a palindrome (3515335153).

The spelling of 1313212022 in words is "one billion, three hundred thirteen million, two hundred twelve thousand, twenty-two".