990102223022 has 8 divisors (see below), whose sum is σ = 1620167274072. Its totient is φ = 450046465000.

The previous prime is 990102223009. The next prime is 990102223037. The reversal of 990102223022 is 220322201099.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 990102223022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22502323229 + ... + 22502323272.

It is an arithmetic number, because the mean of its divisors is an integer number (202520909259).

Almost surely, 2^990102223022 is an apocalyptic number.

990102223022 is a deficient number, since it is larger than the sum of its proper divisors (630065051050).

990102223022 is a wasteful number, since it uses less digits than its factorization.

990102223022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45004646514.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 990102223022 in words is "nine hundred ninety billion, one hundred two million, two hundred twenty-three thousand, twenty-two".