90227197 has 8 divisors (see below), whose sum is σ = 91937600. Its totient is φ = 88529760.

The previous prime is 90227171. The next prime is 90227209. The reversal of 90227197 is 79172209.

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 90227197 - 2⁷ = 90227069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90267197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11422 + ... + 17632.

It is an arithmetic number, because the mean of its divisors is an integer number (11492200).

Almost surely, 2^90227197 is an apocalyptic number.

It is an amenable number.

90227197 is a deficient number, since it is larger than the sum of its proper divisors (1710403).

90227197 is a wasteful number, since it uses less digits than its factorization.

90227197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 90227197 is about 9498.7997662863. The cubic root of 90227197 is about 448.5172547153.

The spelling of 90227197 in words is "ninety million, two hundred twenty-seven thousand, one hundred ninety-seven".