22444253144 has 16 divisors (see below), whose sum is σ = 42085678200. Its totient is φ = 11221405632.

The previous prime is 22444253123. The next prime is 22444253233. The reversal of 22444253144 is 44135244422.

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, 56159 + ... + 219185.

Almost surely, 2^22444253144 is an apocalyptic number.

It is an amenable number.

22444253144 is a deficient number, since it is larger than the sum of its proper divisors (19641425056).

22444253144 is a wasteful number, since it uses less digits than its factorization.

22444253144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180242 (or 180238 counting only the distinct ones).

The product of its digits is 122880, while the sum is 35.

Adding to 22444253144 its reverse (44135244422), we get a palindrome (66579497566).

The spelling of 22444253144 in words is "twenty-two billion, four hundred forty-four million, two hundred fifty-three thousand, one hundred forty-four".