23018547222 has 64 divisors (see below), whose sum is σ = 55820793600. Its totient is φ = 6973035840.

The previous prime is 23018547199. The next prime is 23018547229. The reversal of 23018547222 is 22274581032.

23018547222 is a `hidden beast` number, since 2 + 3 + 0 + 185 + 472 + 2 + 2 = 666.

It is a super-2 number, since 2×23018547222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23018547229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3053554 + ... + 3061082.

It is an arithmetic number, because the mean of its divisors is an integer number (872199900).

Almost surely, 2^23018547222 is an apocalyptic number.

23018547222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23018547222 is an abundant number, since it is smaller than the sum of its proper divisors (32802246378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23018547222 is a wasteful number, since it uses less digits than its factorization.

23018547222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12698 (or 12692 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 23018547222 in words is "twenty-three billion, eighteen million, five hundred forty-seven thousand, two hundred twenty-two".