22351230720 has 1440 divisors, whose sum is σ = 103709878272. Its totient is φ = 4467032064.

The previous prime is 22351230703. The next prime is 22351230731. The reversal of 22351230720 is 2703215322.

It is a happy number.

22351230720 is a `hidden beast` number, since 2 + 2 + 351 + 2 + 307 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

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 159 ways as a sum of consecutive naturals, for example, 217002189 + ... + 217002291.

Almost surely, 2^22351230720 is an apocalyptic number.

22351230720 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 22351230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51854939136).

22351230720 is an abundant number, since it is smaller than the sum of its proper divisors (81358647552).

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

22351230720 is a wasteful number, since it uses less digits than its factorization.

22351230720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The spelling of 22351230720 in words is "twenty-two billion, three hundred fifty-one million, two hundred thirty thousand, seven hundred twenty".