22290318720 has 320 divisors, whose sum is σ = 82353229200. Its totient is φ = 5738729472.

The previous prime is 22290318719. The next prime is 22290318737. The reversal of 22290318720 is 2781309222.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 1495947 + ... + 1510773.

Almost surely, 2^22290318720 is an apocalyptic number.

22290318720 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 22290318720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41176614600).

22290318720 is an abundant number, since it is smaller than the sum of its proper divisors (60062910480).

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

22290318720 is a wasteful number, since it uses less digits than its factorization.

22290318720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14887 (or 14866 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 22290318720 in words is "twenty-two billion, two hundred ninety million, three hundred eighteen thousand, seven hundred twenty".