394469122 has 16 divisors (see below), whose sum is σ = 626958360. Its totient is φ = 185499648.

The previous prime is 394469087. The next prime is 394469149. The reversal of 394469122 is 221964493.

It can be written as a sum of positive squares in 4 ways, for example, as 308740041 + 85729081 = 17571^2 + 9259^2 .

It is a super-2 number, since 2×394469122² = 311211776422901768, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 57154 + ... + 63682.

Almost surely, 2^394469122 is an apocalyptic number.

394469122 is a deficient number, since it is larger than the sum of its proper divisors (232489238).

394469122 is a wasteful number, since it uses less digits than its factorization.

394469122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8325.

The product of its digits is 93312, while the sum is 40.

The square root of 394469122 is about 19861.2467383093. The cubic root of 394469122 is about 733.3945379128.

The spelling of 394469122 in words is "three hundred ninety-four million, four hundred sixty-nine thousand, one hundred twenty-two".