90110022 has 16 divisors (see below), whose sum is σ = 185091312. Its totient is φ = 29224800.

The previous prime is 90110011. The next prime is 90110023. The reversal of 90110022 is 22001109.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 90109983 and 90110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90110023) 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, 202729 + ... + 203172.

It is an arithmetic number, because the mean of its divisors is an integer number (11568207).

Almost surely, 2^90110022 is an apocalyptic number.

90110022 is an abundant number, since it is smaller than the sum of its proper divisors (94981290).

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

90110022 is a wasteful number, since it uses less digits than its factorization.

90110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405943.

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

The square root of 90110022 is about 9492.6298779632. The cubic root of 90110022 is about 448.3230125578.

The spelling of 90110022 in words is "ninety million, one hundred ten thousand, twenty-two".