22406622880 has 48 divisors (see below), whose sum is σ = 56049514920. Its totient is φ = 8435433472.

The previous prime is 22406622859. The next prime is 22406622893. The reversal of 22406622880 is 8822660422.

It can be written as a sum of positive squares in 4 ways, for example, as 21422420496 + 984202384 = 146364^2 + 31372^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4116145 + ... + 4121584.

Almost surely, 2^22406622880 is an apocalyptic number.

22406622880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22406622880 is an abundant number, since it is smaller than the sum of its proper divisors (33642892040).

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

22406622880 is a wasteful number, since it uses less digits than its factorization.

22406622880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237761 (or 8237753 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 22406622880 in words is "twenty-two billion, four hundred six million, six hundred twenty-two thousand, eight hundred eighty".