22420526250 has 80 divisors (see below), whose sum is σ = 56437809120. Its totient is φ = 5935656000.

The previous prime is 22420526207. The next prime is 22420526257. The reversal of 22420526250 is 5262502422.

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

It is not an unprimeable number, because it can be changed into a prime (22420526257) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 499744 + ... + 542756.

It is an arithmetic number, because the mean of its divisors is an integer number (705472614).

Almost surely, 2^22420526250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22420526250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28218904560).

22420526250 is an abundant number, since it is smaller than the sum of its proper divisors (34017282870).

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

22420526250 is a wasteful number, since it uses less digits than its factorization.

22420526250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43177 (or 43162 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 22420526250 in words is "twenty-two billion, four hundred twenty million, five hundred twenty-six thousand, two hundred fifty".