2252144431256 has 16 divisors (see below), whose sum is σ = 4227365785200. Its totient is φ = 1124846888544.

The previous prime is 2252144431249. The next prime is 2252144431261. The reversal of 2252144431256 is 6521344412522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153158075 + ... + 153172778.

It is an arithmetic number, because the mean of its divisors is an integer number (264210361575).

Almost surely, 2^{2252144431256} is an apocalyptic number.

It is an amenable number.

2252144431256 is a deficient number, since it is larger than the sum of its proper divisors (1975221353944).

2252144431256 is a wasteful number, since it uses less digits than its factorization.

2252144431256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306331778 (or 306331774 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

Adding to 2252144431256 its reverse (6521344412522), we get a palindrome (8773488843778).

The spelling of 2252144431256 in words is "two trillion, two hundred fifty-two billion, one hundred forty-four million, four hundred thirty-one thousand, two hundred fifty-six".