394372227 has 16 divisors (see below), whose sum is σ = 555840000. Its totient is φ = 248026464.

The previous prime is 394372217. The next prime is 394372241. The reversal of 394372227 is 722273493.

It is not a de Polignac number, because 394372227 - 2⁶ = 394372163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394372217) 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, 852 + ... + 28097.

It is an arithmetic number, because the mean of its divisors is an integer number (34740000).

Almost surely, 2^394372227 is an apocalyptic number.

394372227 is a deficient number, since it is larger than the sum of its proper divisors (161467773).

394372227 is a wasteful number, since it uses less digits than its factorization.

394372227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29210.

The product of its digits is 127008, while the sum is 39.

The square root of 394372227 is about 19858.8072904694. The cubic root of 394372227 is about 733.3344841350.

The spelling of 394372227 in words is "three hundred ninety-four million, three hundred seventy-two thousand, two hundred twenty-seven".