918718022230 has 16 divisors (see below), whose sum is σ = 1653704688384. Its totient is φ = 367484487040.

The previous prime is 918718022221. The next prime is 918718022231. The reversal of 918718022230 is 32220817819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918718022231) 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, 1609419 + ... + 2104201.

It is an arithmetic number, because the mean of its divisors is an integer number (103356543024).

Almost surely, 2^918718022230 is an apocalyptic number.

918718022230 is a deficient number, since it is larger than the sum of its proper divisors (734986666154).

918718022230 is a wasteful number, since it uses less digits than its factorization.

918718022230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680471.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 918718022230 in words is "nine hundred eighteen billion, seven hundred eighteen million, twenty-two thousand, two hundred thirty".