90222686 has 8 divisors (see below), whose sum is σ = 138481464. Its totient is φ = 44062200.

The previous prime is 90222667. The next prime is 90222701. The reversal of 90222686 is 68622209.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524465 + ... + 524636.

It is an arithmetic number, because the mean of its divisors is an integer number (17310183).

Almost surely, 2^90222686 is an apocalyptic number.

90222686 is a deficient number, since it is larger than the sum of its proper divisors (48258778).

90222686 is a wasteful number, since it uses less digits than its factorization.

90222686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049146.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 90222686 is about 9498.5623122660. The cubic root of 90222686 is about 448.5097798994.

The spelling of 90222686 in words is "ninety million, two hundred twenty-two thousand, six hundred eighty-six".