22742422500 has 240 divisors, whose sum is σ = 76551995520. Its totient is φ = 5145600000.

The previous prime is 22742422453. The next prime is 22742422529. The reversal of 22742422500 is 522424722.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5300356 + ... + 5304644.

It is an arithmetic number, because the mean of its divisors is an integer number (318966648).

Almost surely, 2^22742422500 is an apocalyptic number.

22742422500 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 22742422500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38275997760).

22742422500 is an abundant number, since it is smaller than the sum of its proper divisors (53809573020).

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

22742422500 is a wasteful number, since it uses less digits than its factorization.

22742422500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424 (or 4407 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The spelling of 22742422500 in words is "twenty-two billion, seven hundred forty-two million, four hundred twenty-two thousand, five hundred".