994732218 has 32 divisors (see below), whose sum is σ = 2224614720. Its totient is φ = 329462640.

The previous prime is 994732217. The next prime is 994732243. The reversal of 994732218 is 812237499.

It is not an unprimeable number, because it can be changed into a prime (994732217) 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, 50188 + ... + 67143.

It is an arithmetic number, because the mean of its divisors is an integer number (69519210).

Almost surely, 2^994732218 is an apocalyptic number.

994732218 is an abundant number, since it is smaller than the sum of its proper divisors (1229882502).

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

994732218 is a wasteful number, since it uses less digits than its factorization.

994732218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117499 (or 117493 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 994732218 is about 31539.3756754949. The cubic root of 994732218 is about 998.2409803307.

The spelling of 994732218 in words is "nine hundred ninety-four million, seven hundred thirty-two thousand, two hundred eighteen".