90221010220002 has 16 divisors (see below), whose sum is σ = 180445682672640. Its totient is φ = 30073059701232.

The previous prime is 90221010220001. The next prime is 90221010220009. The reversal of 90221010220002 is 20002201012209.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90221010220001) 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, 152272713 + ... + 152864060.

It is an arithmetic number, because the mean of its divisors is an integer number (11277855167040).

Almost surely, 2^{90221010220002} is an apocalyptic number.

90221010220002 is an abundant number, since it is smaller than the sum of its proper divisors (90224672452638).

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

90221010220002 is a wasteful number, since it uses less digits than its factorization.

90221010220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305186057.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 90221010220002 in words is "ninety trillion, two hundred twenty-one billion, ten million, two hundred twenty thousand, two".