22232241522 has 48 divisors (see below), whose sum is σ = 50016447000. Its totient is φ = 7128559872.

The previous prime is 22232241517. The next prime is 22232241529. The reversal of 22232241522 is 22514223222.

It is a happy number.

22232241522 is a `hidden beast` number, since 2 + 223 + 2 + 2 + 415 + 22 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19299044241 + 2933197281 = 138921^2 + 54159^2 .

It is not an unprimeable number, because it can be changed into a prime (22232241529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61254 + ... + 219582.

Almost surely, 2^22232241522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22232241522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25008223500).

22232241522 is an abundant number, since it is smaller than the sum of its proper divisors (27784205478).

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

22232241522 is a wasteful number, since it uses less digits than its factorization.

22232241522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158635 (or 158632 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

Adding to 22232241522 its reverse (22514223222), we get a palindrome (44746464744).

The spelling of 22232241522 in words is "twenty-two billion, two hundred thirty-two million, two hundred forty-one thousand, five hundred twenty-two".