90225305 has 8 divisors (see below), whose sum is σ = 108335232. Its totient is φ = 72137008.

The previous prime is 90225301. The next prime is 90225329. The reversal of 90225305 is 50352209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90225305 - 2² = 90225301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90225301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5942 + ... + 14688.

It is an arithmetic number, because the mean of its divisors is an integer number (13541904).

Almost surely, 2^90225305 is an apocalyptic number.

It is an amenable number.

90225305 is a deficient number, since it is larger than the sum of its proper divisors (18109927).

90225305 is a wasteful number, since it uses less digits than its factorization.

90225305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10815.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 90225305 is about 9498.7001742344. The cubic root of 90225305 is about 448.5141196643.

The spelling of 90225305 in words is "ninety million, two hundred twenty-five thousand, three hundred five".