22255616471 has 4 divisors (see below), whose sum is σ = 24278854344. Its totient is φ = 20232378600.

The previous prime is 22255616459. The next prime is 22255616549. The reversal of 22255616471 is 17461655222.

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 22255616471 - 2¹⁸ = 22255354327 is a prime.

It is a super-3 number, since 3×22255616471³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22255616171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011618920 + ... + 1011618941.

It is an arithmetic number, because the mean of its divisors is an integer number (6069713586).

Almost surely, 2^22255616471 is an apocalyptic number.

22255616471 is a deficient number, since it is larger than the sum of its proper divisors (2023237873).

22255616471 is a wasteful number, since it uses less digits than its factorization.

22255616471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023237872.

The product of its digits is 201600, while the sum is 41.

The spelling of 22255616471 in words is "twenty-two billion, two hundred fifty-five million, six hundred sixteen thousand, four hundred seventy-one".