90102220022 has 8 divisors (see below), whose sum is σ = 135154607400. Its totient is φ = 45050684224.

The previous prime is 90102220009. The next prime is 90102220123. The reversal of 90102220022 is 22002220109.

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

It is a junction number, because it is equal to n+sod(n) for n = 90102219976 and 90102220003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278054 + ... + 507462.

It is an arithmetic number, because the mean of its divisors is an integer number (16894325925).

Almost surely, 2^90102220022 is an apocalyptic number.

90102220022 is a deficient number, since it is larger than the sum of its proper divisors (45052387378).

90102220022 is a wasteful number, since it uses less digits than its factorization.

90102220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425790.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 90102220022 in words is "ninety billion, one hundred two million, two hundred twenty thousand, twenty-two".