90022032 has 60 divisors (see below), whose sum is σ = 260636220. Its totient is φ = 28971264.

The previous prime is 90022013. The next prime is 90022039. The reversal of 90022032 is 23022009.

It can be written as a sum of positive squares in 2 ways, for example, as 25765776 + 64256256 = 5076^2 + 8016^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 90021996 and 90022014.

It is not an unprimeable number, because it can be changed into a prime (90022039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6603 + ... + 14954.

It is an arithmetic number, because the mean of its divisors is an integer number (4343937).

Almost surely, 2^90022032 is an apocalyptic number.

It is an amenable number.

90022032 is an abundant number, since it is smaller than the sum of its proper divisors (170614188).

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

90022032 is a wasteful number, since it uses less digits than its factorization.

90022032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21600 (or 21591 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 90022032 is about 9487.9940978059. The cubic root of 90022032 is about 448.1770399349.

The spelling of 90022032 in words is "ninety million, twenty-two thousand, thirty-two".