22788251382 has 64 divisors (see below), whose sum is σ = 50626779840. Its totient is φ = 6792781824.

The previous prime is 22788251309. The next prime is 22788251429. The reversal of 22788251382 is 28315288722.

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 31 ways as a sum of consecutive naturals, for example, 655494 + ... + 689382.

It is an arithmetic number, because the mean of its divisors is an integer number (791043435).

Almost surely, 2^22788251382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22788251382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25313389920).

22788251382 is an abundant number, since it is smaller than the sum of its proper divisors (27838528458).

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

22788251382 is a wasteful number, since it uses less digits than its factorization.

22788251382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34177.

The product of its digits is 860160, while the sum is 48.

It can be divided in two parts, 22788 and 251382, that added together give a triangular number (274170 = T₇₄₀).

The spelling of 22788251382 in words is "twenty-two billion, seven hundred eighty-eight million, two hundred fifty-one thousand, three hundred eighty-two".