900765222 has 32 divisors (see below), whose sum is σ = 2114541312. Its totient is φ = 250405344.

The previous prime is 900765193. The next prime is 900765227. The reversal of 900765222 is 222567009.

It is a happy number.

It is a super-2 number, since 2×900765222² = 1622755970329418568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900765227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288268 + ... + 291375.

It is an arithmetic number, because the mean of its divisors is an integer number (66079416).

Almost surely, 2^900765222 is an apocalyptic number.

900765222 is an abundant number, since it is smaller than the sum of its proper divisors (1213776090).

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

900765222 is a wasteful number, since it uses less digits than its factorization.

900765222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579692.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 900765222 is about 30012.7509902041. The cubic root of 900765222 is about 965.7629418002.

The spelling of 900765222 in words is "nine hundred million, seven hundred sixty-five thousand, two hundred twenty-two".