22345420255 has 4 divisors (see below), whose sum is σ = 26814504312. Its totient is φ = 17876336200.

The previous prime is 22345420219. The next prime is 22345420277. The reversal of 22345420255 is 55202454322.

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

It is not a de Polignac number, because 22345420255 - 2⁹ = 22345419743 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 22345420255.

It is a congruent number.

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, 2234542021 + ... + 2234542030.

It is an arithmetic number, because the mean of its divisors is an integer number (6703626078).

Almost surely, 2^22345420255 is an apocalyptic number.

22345420255 is a deficient number, since it is larger than the sum of its proper divisors (4469084057).

22345420255 is an equidigital number, since it uses as much as digits as its factorization.

22345420255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469084056.

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

Adding to 22345420255 its reverse (55202454322), we get a palindrome (77547874577).

The spelling of 22345420255 in words is "twenty-two billion, three hundred forty-five million, four hundred twenty thousand, two hundred fifty-five".