22752780380 has 48 divisors (see below), whose sum is σ = 52141912704. Its totient is φ = 8270982720.

The previous prime is 22752780373. The next prime is 22752780397. The reversal of 22752780380 is 8308725722.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715499 + ... + 746621.

It is an arithmetic number, because the mean of its divisors is an integer number (1086289848).

Almost surely, 2^22752780380 is an apocalyptic number.

22752780380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22752780380 is an abundant number, since it is smaller than the sum of its proper divisors (29389132324).

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

22752780380 is a wasteful number, since it uses less digits than its factorization.

22752780380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34466 (or 34464 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 22752780380 in words is "twenty-two billion, seven hundred fifty-two million, seven hundred eighty thousand, three hundred eighty".