22255242235 has 4 divisors (see below), whose sum is σ = 26706290688. Its totient is φ = 17804193784.

The previous prime is 22255242223. The next prime is 22255242253. The reversal of 22255242235 is 53224255222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22255242235 - 2¹⁷ = 22255111163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22255242235.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2225524219 + ... + 2225524228.

It is an arithmetic number, because the mean of its divisors is an integer number (6676572672).

Almost surely, 2^22255242235 is an apocalyptic number.

22255242235 is a deficient number, since it is larger than the sum of its proper divisors (4451048453).

22255242235 is an equidigital number, since it uses as much as digits as its factorization.

22255242235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451048452.

The product of its digits is 96000, while the sum is 34.

Adding to 22255242235 its reverse (53224255222), we get a palindrome (75479497457).

The spelling of 22255242235 in words is "twenty-two billion, two hundred fifty-five million, two hundred forty-two thousand, two hundred thirty-five".