90222685 has 8 divisors (see below), whose sum is σ = 123734016. Its totient is φ = 61866960.

The previous prime is 90222667. The next prime is 90222701. The reversal of 90222685 is 58622209.

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

It is not a de Polignac number, because 90222685 - 2⁵ = 90222653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90222685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288861 + ... + 1288930.

It is an arithmetic number, because the mean of its divisors is an integer number (15466752).

Almost surely, 2^90222685 is an apocalyptic number.

It is an amenable number.

90222685 is a deficient number, since it is larger than the sum of its proper divisors (33511331).

90222685 is a wasteful number, since it uses less digits than its factorization.

90222685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577803.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 90222685 is about 9498.5622596265. The cubic root of 90222685 is about 448.5097782424.

The spelling of 90222685 in words is "ninety million, two hundred twenty-two thousand, six hundred eighty-five".