904990222 has 4 divisors (see below), whose sum is σ = 1357485336. Its totient is φ = 452495110.

The previous prime is 904990193. The next prime is 904990231. The reversal of 904990222 is 222099409.

904990222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 226247554 + ... + 226247557.

It is an arithmetic number, because the mean of its divisors is an integer number (339371334).

Almost surely, 2^904990222 is an apocalyptic number.

904990222 is a deficient number, since it is larger than the sum of its proper divisors (452495114).

904990222 is a wasteful number, since it uses less digits than its factorization.

904990222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452495113.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 904990222 is about 30083.0553966847. The cubic root of 904990222 is about 967.2705434617.

The spelling of 904990222 in words is "nine hundred four million, nine hundred ninety thousand, two hundred twenty-two".