22440157300 has 72 divisors (see below), whose sum is σ = 53212219200. Its totient is φ = 8146195200.

The previous prime is 22440157297. The next prime is 22440157387. The reversal of 22440157300 is 375104422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 641872 + ... + 675928.

It is an arithmetic number, because the mean of its divisors is an integer number (739058600).

Almost surely, 2^22440157300 is an apocalyptic number.

22440157300 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 22440157300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26606109600).

22440157300 is an abundant number, since it is smaller than the sum of its proper divisors (30772061900).

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

22440157300 is a wasteful number, since it uses less digits than its factorization.

22440157300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34681 (or 34674 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The spelling of 22440157300 in words is "twenty-two billion, four hundred forty million, one hundred fifty-seven thousand, three hundred".