22523144352444 has 240 divisors, whose sum is σ = 60475019730048. Its totient is φ = 7305690817152.

The previous prime is 22523144352391. The next prime is 22523144352461. The reversal of 22523144352444 is 44425344132522.

22523144352444 is a `hidden beast` number, since 2 + 2 + 52 + 31 + 4 + 4 + 3 + 524 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22523144352444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4857264094 + ... + 4857268730.

Almost surely, 2^{22523144352444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22523144352444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30237509865024).

22523144352444 is an abundant number, since it is smaller than the sum of its proper divisors (37951875377604).

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

22523144352444 is a wasteful number, since it uses less digits than its factorization.

22523144352444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926 (or 5915 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 45.

Adding to 22523144352444 its reverse (44425344132522), we get a palindrome (66948488484966).

The spelling of 22523144352444 in words is "twenty-two trillion, five hundred twenty-three billion, one hundred forty-four million, three hundred fifty-two thousand, four hundred forty-four".