404228466 has 24 divisors (see below), whose sum is σ = 896198160. Its totient is φ = 131609016.

The previous prime is 404228443. The next prime is 404228483. The reversal of 404228466 is 664822404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 404228466.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260356 + ... + 261903.

It is an arithmetic number, because the mean of its divisors is an integer number (37341590).

Almost surely, 2^404228466 is an apocalyptic number.

404228466 is an abundant number, since it is smaller than the sum of its proper divisors (491969694).

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

404228466 is a wasteful number, since it uses less digits than its factorization.

404228466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522310 (or 522307 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 404228466 is about 20105.4337431452. The cubic root of 404228466 is about 739.3935047639.

The spelling of 404228466 in words is "four hundred four million, two hundred twenty-eight thousand, four hundred sixty-six".