22521342030 has 128 divisors (see below), whose sum is σ = 60348727296. Its totient is φ = 5332099200.

The previous prime is 22521342013. The next prime is 22521342047. The reversal of 22521342030 is 3024312522.

It is an interprime number because it is at equal distance from previous prime (22521342013) and next prime (22521342047).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8854939 + ... + 8857481.

It is an arithmetic number, because the mean of its divisors is an integer number (471474432).

Almost surely, 2^22521342030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22521342030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30174363648).

22521342030 is an abundant number, since it is smaller than the sum of its proper divisors (37827385266).

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

22521342030 is a wasteful number, since it uses less digits than its factorization.

22521342030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 22521342030 its reverse (3024312522), we get a palindrome (25545654552).

The spelling of 22521342030 in words is "twenty-two billion, five hundred twenty-one million, three hundred forty-two thousand, thirty".