22406310720 has 392 divisors, whose sum is σ = 80688058080. Its totient is φ = 5923445760.

The previous prime is 22406310673. The next prime is 22406310737. The reversal of 22406310720 is 2701360422.

22406310720 is a `hidden beast` number, since 2 + 2 + 4 + 0 + 631 + 0 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 32425575 + ... + 32426265.

Almost surely, 2^22406310720 is an apocalyptic number.

22406310720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22406310720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40344029040).

22406310720 is an abundant number, since it is smaller than the sum of its proper divisors (58281747360).

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

22406310720 is an equidigital number, since it uses as much as digits as its factorization.

22406310720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The spelling of 22406310720 in words is "twenty-two billion, four hundred six million, three hundred ten thousand, seven hundred twenty".