90298224 has 30 divisors (see below), whose sum is σ = 252710016. Its totient is φ = 30099360.

The previous prime is 90298223. The next prime is 90298231. The reversal of 90298224 is 42289209.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90298223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313392 + ... + 313679.

Almost surely, 2^90298224 is an apocalyptic number.

It is an amenable number.

90298224 is an abundant number, since it is smaller than the sum of its proper divisors (162411792).

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

90298224 is a wasteful number, since it uses less digits than its factorization.

90298224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627085 (or 627076 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 90298224 is about 9502.5377663022. The cubic root of 90298224 is about 448.6349150236.

The spelling of 90298224 in words is "ninety million, two hundred ninety-eight thousand, two hundred twenty-four".