22522322430 has 128 divisors (see below), whose sum is σ = 64693002240. Its totient is φ = 5559459840.

The previous prime is 22522322419. The next prime is 22522322477. The reversal of 22522322430 is 3422322522.

22522322430 is a `hidden beast` number, since 2 + 2 + 5 + 223 + 2 + 2 + 430 = 666.

It is a super-2 number, since 2×22522322430² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22522322394 and 22522322403.

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, 134014 + ... + 251006.

It is an arithmetic number, because the mean of its divisors is an integer number (505414080).

Almost surely, 2^22522322430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22522322430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32346501120).

22522322430 is an abundant number, since it is smaller than the sum of its proper divisors (42170679810).

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

22522322430 is a wasteful number, since it uses less digits than its factorization.

22522322430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117063 (or 117057 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 22522322430 its reverse (3422322522), we get a palindrome (25944644952).

The spelling of 22522322430 in words is "twenty-two billion, five hundred twenty-two million, three hundred twenty-two thousand, four hundred thirty".