22422840720 has 160 divisors (see below), whose sum is σ = 79929265152. Its totient is φ = 5093715456.

The previous prime is 22422840719. The next prime is 22422840731. The reversal of 22422840720 is 2704822422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232899 + ... + 314781.

Almost surely, 2^22422840720 is an apocalyptic number.

22422840720 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 22422840720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39964632576).

22422840720 is an abundant number, since it is smaller than the sum of its proper divisors (57506424432).

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

22422840720 is a wasteful number, since it uses less digits than its factorization.

22422840720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82069 (or 82063 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The spelling of 22422840720 in words is "twenty-two billion, four hundred twenty-two million, eight hundred forty thousand, seven hundred twenty".