404666222 has 4 divisors (see below), whose sum is σ = 606999336. Its totient is φ = 202333110.

The previous prime is 404666201. The next prime is 404666231. The reversal of 404666222 is 222666404.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101166554 + ... + 101166557.

It is an arithmetic number, because the mean of its divisors is an integer number (151749834).

Almost surely, 2^404666222 is an apocalyptic number.

404666222 is a deficient number, since it is larger than the sum of its proper divisors (202333114).

404666222 is a wasteful number, since it uses less digits than its factorization.

404666222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202333113.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 404666222 is about 20116.3173071017. The cubic root of 404666222 is about 739.6603152440.

The spelling of 404666222 in words is "four hundred four million, six hundred sixty-six thousand, two hundred twenty-two".