90184224 has 96 divisors (see below), whose sum is σ = 257402880. Its totient is φ = 27482112.

The previous prime is 90184189. The next prime is 90184243. The reversal of 90184224 is 42248109.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 90184191 and 90184200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158212 + ... + 158780.

It is an arithmetic number, because the mean of its divisors is an integer number (2681280).

Almost surely, 2^90184224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90184224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128701440).

90184224 is an abundant number, since it is smaller than the sum of its proper divisors (167218656).

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

90184224 is a wasteful number, since it uses less digits than its factorization.

90184224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 90184224 is about 9496.5374742587. The cubic root of 90184224 is about 448.4460374867.

The spelling of 90184224 in words is "ninety million, one hundred eighty-four thousand, two hundred twenty-four".