22255242330 has 16 divisors (see below), whose sum is σ = 53412581664. Its totient is φ = 5934731280.

The previous prime is 22255242253. The next prime is 22255242337. The reversal of 22255242330 is 3324255222.

It is a super-2 number, since 2×22255242330² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 741841411 = 22255242330 / (2 + 2 + 2 + 5 + 5 + 2 + 4 + 2 + 3 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (22255242337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370920676 + ... + 370920735.

It is an arithmetic number, because the mean of its divisors is an integer number (3338286354).

Almost surely, 2^22255242330 is an apocalyptic number.

22255242330 is an abundant number, since it is smaller than the sum of its proper divisors (31157339334).

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

22255242330 is a wasteful number, since it uses less digits than its factorization.

22255242330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741841421.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 22255242330 its reverse (3324255222), we get a palindrome (25579497552).

The spelling of 22255242330 in words is "twenty-two billion, two hundred fifty-five million, two hundred forty-two thousand, three hundred thirty".