90223315 has 32 divisors (see below), whose sum is σ = 136120320. Its totient is φ = 55880064.

The previous prime is 90223307. The next prime is 90223327. The reversal of 90223315 is 51332209.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 90223315 - 2³ = 90223307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90223315.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19276 + ... + 23494.

It is an arithmetic number, because the mean of its divisors is an integer number (4253760).

Almost surely, 2^90223315 is an apocalyptic number.

90223315 is a deficient number, since it is larger than the sum of its proper divisors (45897005).

90223315 is a wasteful number, since it uses less digits than its factorization.

90223315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 90223315 is about 9498.5954224822. The cubic root of 90223315 is about 448.5108221797.

The spelling of 90223315 in words is "ninety million, two hundred twenty-three thousand, three hundred fifteen".