22276312227 has 64 divisors (see below), whose sum is σ = 37100851200. Its totient is φ = 13116660480.

The previous prime is 22276312211. The next prime is 22276312243. The reversal of 22276312227 is 72221367222.

It is an interprime number because it is at equal distance from previous prime (22276312211) and next prime (22276312243).

It is not a de Polignac number, because 22276312227 - 2⁴ = 22276312211 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22276312191 and 22276312200.

It is not an unprimeable number, because it can be changed into a prime (22276312207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 956908 + ... + 979910.

It is an arithmetic number, because the mean of its divisors is an integer number (579700800).

Almost surely, 2^22276312227 is an apocalyptic number.

22276312227 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22276312227 is a deficient number, since it is larger than the sum of its proper divisors (14824538973).

22276312227 is a wasteful number, since it uses less digits than its factorization.

22276312227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23145 (or 23139 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

Adding to 22276312227 its reverse (72221367222), we get a palindrome (94497679449).

The spelling of 22276312227 in words is "twenty-two billion, two hundred seventy-six million, three hundred twelve thousand, two hundred twenty-seven".