222258920018 has 16 divisors (see below), whose sum is σ = 334000502784. Its totient is φ = 110925497760.

The previous prime is 222258920017. The next prime is 222258920041. The reversal of 222258920018 is 810029852222.

222258920018 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222258920018² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222258920017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6655583 + ... + 6688893.

It is an arithmetic number, because the mean of its divisors is an integer number (20875031424).

Almost surely, 2^222258920018 is an apocalyptic number.

222258920018 is a deficient number, since it is larger than the sum of its proper divisors (111741582766).

222258920018 is a wasteful number, since it uses less digits than its factorization.

222258920018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39337.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 222258920018 in words is "two hundred twenty-two billion, two hundred fifty-eight million, nine hundred twenty thousand, eighteen".