22777525480 has 32 divisors (see below), whose sum is σ = 54264106440. Its totient is φ = 8575068160.

The previous prime is 22777525471. The next prime is 22777525483. The reversal of 22777525480 is 8452577722.

It can be written as a sum of positive squares in 4 ways, for example, as 17929745604 + 4847779876 = 133902^2 + 69626^2 .

It is not an unprimeable number, because it can be changed into a prime (22777525483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16747501 + ... + 16748860.

Almost surely, 2^22777525480 is an apocalyptic number.

22777525480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22777525480 is an abundant number, since it is smaller than the sum of its proper divisors (31486580960).

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

22777525480 is a wasteful number, since it uses less digits than its factorization.

22777525480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33496389 (or 33496385 counting only the distinct ones).

The product of its (nonzero) digits is 2195200, while the sum is 49.

The spelling of 22777525480 in words is "twenty-two billion, seven hundred seventy-seven million, five hundred twenty-five thousand, four hundred eighty".