22530522630 has 256 divisors, whose sum is σ = 69115576320. Its totient is φ = 4565030400.

The previous prime is 22530522583. The next prime is 22530522659. The reversal of 22530522630 is 3622503522.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17894941 + ... + 17896199.

It is an arithmetic number, because the mean of its divisors is an integer number (269982720).

Almost surely, 2^22530522630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22530522630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34557788160).

22530522630 is an abundant number, since it is smaller than the sum of its proper divisors (46585053690).

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

22530522630 is a wasteful number, since it uses less digits than its factorization.

22530522630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 22530522630 in words is "twenty-two billion, five hundred thirty million, five hundred twenty-two thousand, six hundred thirty".