900000002022 has 16 divisors (see below), whose sum is σ = 1963636368192. Its totient is φ = 272727273320.

The previous prime is 900000001993. The next prime is 900000002029. The reversal of 900000002022 is 220200000009.

It is a junction number, because it is equal to n+sod(n) for n = 900000001992 and 900000002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900000002029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6818181768 + ... + 6818181899.

It is an arithmetic number, because the mean of its divisors is an integer number (122727273012).

Almost surely, 2^900000002022 is an apocalyptic number.

900000002022 is an abundant number, since it is smaller than the sum of its proper divisors (1063636366170).

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

900000002022 is a wasteful number, since it uses less digits than its factorization.

900000002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13636363683.

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

The spelling of 900000002022 in words is "nine hundred billion, two thousand, twenty-two".