22504415455 has 4 divisors (see below), whose sum is σ = 27005298552. Its totient is φ = 18003532360.

The previous prime is 22504415449. The next prime is 22504415467. The reversal of 22504415455 is 55451440522.

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

It is not a de Polignac number, because 22504415455 - 2⁷ = 22504415327 is a prime.

It is a Duffinian number.

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, 2250441541 + ... + 2250441550.

It is an arithmetic number, because the mean of its divisors is an integer number (6751324638).

Almost surely, 2^22504415455 is an apocalyptic number.

22504415455 is a deficient number, since it is larger than the sum of its proper divisors (4500883097).

22504415455 is an equidigital number, since it uses as much as digits as its factorization.

22504415455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500883096.

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 22504415455 its reverse (55451440522), we get a palindrome (77955855977).

The spelling of 22504415455 in words is "twenty-two billion, five hundred four million, four hundred fifteen thousand, four hundred fifty-five".