1252831822 has 24 divisors (see below), whose sum is σ = 2067851016. Its totient is φ = 568854000.

The previous prime is 1252831819. The next prime is 1252831883. The reversal of 1252831822 is 2281382521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281172 + ... + 285592.

It is an arithmetic number, because the mean of its divisors is an integer number (86160459).

Almost surely, 2^1252831822 is an apocalyptic number.

1252831822 is a deficient number, since it is larger than the sum of its proper divisors (815019194).

1252831822 is a wasteful number, since it uses less digits than its factorization.

1252831822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616 (or 5605 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 1252831822 is about 35395.3644140020. The cubic root of 1252831822 is about 1078.0301949060.

The spelling of 1252831822 in words is "one billion, two hundred fifty-two million, eight hundred thirty-one thousand, eight hundred twenty-two".