2252163235444 has 12 divisors (see below), whose sum is σ = 3941298276804. Its totient is φ = 1126078013504.

The previous prime is 2252163235429. The next prime is 2252163235463. The reversal of 2252163235444 is 4445323612522.

It can be written as a sum of positive squares in 2 ways, for example, as 533279667600 + 1718883567844 = 730260^2 + 1311062^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2252163235444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908832 + ... + 2308744.

It is an arithmetic number, because the mean of its divisors is an integer number (328441523067).

Almost surely, 2^{2252163235444} is an apocalyptic number.

It is an amenable number.

2252163235444 is a deficient number, since it is larger than the sum of its proper divisors (1689135041360).

2252163235444 is a wasteful number, since it uses less digits than its factorization.

2252163235444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802114 (or 1802112 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 43.

Adding to 2252163235444 its reverse (4445323612522), we get a palindrome (6697486847966).

The spelling of 2252163235444 in words is "two trillion, two hundred fifty-two billion, one hundred sixty-three million, two hundred thirty-five thousand, four hundred forty-four".