90086224 has 20 divisors (see below), whose sum is σ = 175452436. Its totient is φ = 44808192.

The previous prime is 90086221. The next prime is 90086251. The reversal of 90086224 is 42268009.

It can be written as a sum of positive squares in 2 ways, for example, as 13838400 + 76247824 = 3720^2 + 8732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90086221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11499 + ... + 17674.

Almost surely, 2^90086224 is an apocalyptic number.

It is an amenable number.

90086224 is a deficient number, since it is larger than the sum of its proper divisors (85366212).

90086224 is a wasteful number, since it uses less digits than its factorization.

90086224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29374 (or 29368 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 90086224 is about 9491.3762964072. The cubic root of 90086224 is about 448.2835418079.

The spelling of 90086224 in words is "ninety million, eighty-six thousand, two hundred twenty-four".