22545023226 has 96 divisors (see below), whose sum is σ = 51538032000. Its totient is φ = 6561878400.

The previous prime is 22545023209. The next prime is 22545023243. The reversal of 22545023226 is 62232054522.

It is an interprime number because it is at equal distance from previous prime (22545023209) and next prime (22545023243).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4187056 + ... + 4192436.

It is an arithmetic number, because the mean of its divisors is an integer number (536854500).

Almost surely, 2^22545023226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22545023226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25769016000).

22545023226 is an abundant number, since it is smaller than the sum of its proper divisors (28993008774).

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

22545023226 is a wasteful number, since it uses less digits than its factorization.

22545023226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636 (or 5625 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 22545023226 its reverse (62232054522), we get a palindrome (84777077748).

The spelling of 22545023226 in words is "twenty-two billion, five hundred forty-five million, twenty-three thousand, two hundred twenty-six".