90517227 has 8 divisors (see below), whose sum is σ = 122144064. Its totient is φ = 59617608.

The previous prime is 90517223. The next prime is 90517237. The reversal of 90517227 is 72271509.

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

It is not a de Polignac number, because 90517227 - 2² = 90517223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90517223) 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, 181513 + ... + 182010.

It is an arithmetic number, because the mean of its divisors is an integer number (15268008).

Almost surely, 2^90517227 is an apocalyptic number.

90517227 is a deficient number, since it is larger than the sum of its proper divisors (31626837).

90517227 is a wasteful number, since it uses less digits than its factorization.

90517227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363609.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 90517227 is about 9514.0541831545. The cubic root of 90517227 is about 448.9973181190.

The spelling of 90517227 in words is "ninety million, five hundred seventeen thousand, two hundred twenty-seven".