90022202222 has 8 divisors (see below), whose sum is σ = 135036873576. Its totient is φ = 45009911032.

The previous prime is 90022202197. The next prime is 90022202267. The reversal of 90022202222 is 22220222009.

It is a happy number.

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

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, 497273 + ... + 653700.

It is an arithmetic number, because the mean of its divisors is an integer number (16879609197).

Almost surely, 2^90022202222 is an apocalyptic number.

90022202222 is a deficient number, since it is larger than the sum of its proper divisors (45014671354).

90022202222 is a wasteful number, since it uses less digits than its factorization.

90022202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190082.

The product of its (nonzero) digits is 1152, while the sum is 23.

The spelling of 90022202222 in words is "ninety billion, twenty-two million, two hundred two thousand, two hundred twenty-two".