22531102530 has 64 divisors (see below), whose sum is σ = 56013327360. Its totient is φ = 5793433856.

The previous prime is 22531102483. The next prime is 22531102589. The reversal of 22531102530 is 3520113522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22531102530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655759 + ... + 689261.

It is an arithmetic number, because the mean of its divisors is an integer number (875208240).

Almost surely, 2^22531102530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22531102530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28006663680).

22531102530 is an abundant number, since it is smaller than the sum of its proper divisors (33482224830).

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

22531102530 is a wasteful number, since it uses less digits than its factorization.

22531102530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34315.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 22531102530 in words is "twenty-two billion, five hundred thirty-one million, one hundred two thousand, five hundred thirty".