22918750227 has 16 divisors (see below), whose sum is σ = 33961457280. Its totient is φ = 15275677896.

The previous prime is 22918750157. The next prime is 22918750273. The reversal of 22918750227 is 72205781922.

It is a de Polignac number, because none of the positive numbers 2^k-22918750227 is a prime.

It is a super-2 number, since 2×22918750227² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22918750297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26368 + ... + 215714.

It is an arithmetic number, because the mean of its divisors is an integer number (2122591080).

Almost surely, 2^22918750227 is an apocalyptic number.

22918750227 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22918750227 is a deficient number, since it is larger than the sum of its proper divisors (11042707053).

22918750227 is a wasteful number, since it uses less digits than its factorization.

22918750227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193839 (or 193833 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 22918750227 in words is "twenty-two billion, nine hundred eighteen million, seven hundred fifty thousand, two hundred twenty-seven".