900222 has 16 divisors (see below), whose sum is σ = 1831680. Its totient is φ = 294872.

The previous prime is 900217. The next prime is 900233. The reversal of 900222 is 222009.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (114480).

2⁹⁰⁰²²² is an apocalyptic number.

900222 is an abundant number, since it is smaller than the sum of its proper divisors (931458).

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

900222 is a wasteful number, since it uses less digits than its factorization.

900222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 900222 is about 948.8002951096. The cubic root of 900222 is about 96.5568762762.

The spelling of 900222 in words is "nine hundred thousand, two hundred twenty-two".