900122002 has 16 divisors (see below), whose sum is σ = 1481480280. Its totient is φ = 407601792.

The previous prime is 900121993. The next prime is 900122063. The reversal of 900122002 is 200221009.

It is a happy number.

900122002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 874325761 + 25796241 = 29569^2 + 5079^2 .

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, 325227 + ... + 327982.

Almost surely, 2^900122002 is an apocalyptic number.

900122002 is a deficient number, since it is larger than the sum of its proper divisors (581358278).

900122002 is a wasteful number, since it uses less digits than its factorization.

900122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653277.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 900122002 is about 30002.0332977617. The cubic root of 900122002 is about 965.5330091663.

The spelling of 900122002 in words is "nine hundred million, one hundred twenty-two thousand, two".