1313252022 has 24 divisors (see below), whose sum is σ = 2745671544. Its totient is φ = 418717024.

The previous prime is 1313251991. The next prime is 1313252027. The reversal of 1313252022 is 2202523131.

It is a self number, because there is not a number n which added to its sum of digits gives 1313252022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313252027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203703 + ... + 210050.

It is an arithmetic number, because the mean of its divisors is an integer number (114402981).

Almost surely, 2^1313252022 is an apocalyptic number.

1313252022 is an abundant number, since it is smaller than the sum of its proper divisors (1432419522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313252022 is a wasteful number, since it uses less digits than its factorization.

1313252022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413804 (or 413781 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1313252022 is about 36238.8192688448. The cubic root of 1313252022 is about 1095.0888558240.

Adding to 1313252022 its reverse (2202523131), we get a palindrome (3515775153).

The spelling of 1313252022 in words is "one billion, three hundred thirteen million, two hundred fifty-two thousand, twenty-two".