900013222 has 32 divisors (see below), whose sum is σ = 1405289088. Its totient is φ = 432000000.

The previous prime is 900013189. The next prime is 900013237. The reversal of 900013222 is 222310009.

It is a happy number.

900013222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 900013222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2244222 + ... + 2244622.

It is an arithmetic number, because the mean of its divisors is an integer number (43915284).

Almost surely, 2^900013222 is an apocalyptic number.

900013222 is a deficient number, since it is larger than the sum of its proper divisors (505275866).

900013222 is a wasteful number, since it uses less digits than its factorization.

900013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 900013222 is about 30000.2203658573. The cubic root of 900013222 is about 965.4941126198.

It can be divided in two parts, 9000 and 13222, that added together give a palindrome (22222).

The spelling of 900013222 in words is "nine hundred million, thirteen thousand, two hundred twenty-two".