90022110 has 32 divisors (see below), whose sum is σ = 221895072. Its totient is φ = 23356800.

The previous prime is 90022087. The next prime is 90022117. The reversal of 90022110 is 1122009.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 90022110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90022117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39441 + ... + 41660.

It is an arithmetic number, because the mean of its divisors is an integer number (6934221).

Almost surely, 2^90022110 is an apocalyptic number.

90022110 is an abundant number, since it is smaller than the sum of its proper divisors (131872962).

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

90022110 is a wasteful number, since it uses less digits than its factorization.

90022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81148.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 90022110 is about 9487.9982082629. The cubic root of 90022110 is about 448.1771693765.

Adding to 90022110 its reverse (1122009), we get a palindrome (91144119).

The spelling of 90022110 in words is "ninety million, twenty-two thousand, one hundred ten".