90167227 has 2 divisors, whose sum is σ = 90167228. Its totient is φ = 90167226.

The previous prime is 90167221. The next prime is 90167237. The reversal of 90167227 is 72276109.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90167227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90167192 and 90167201.

It is not a weakly prime, because it can be changed into another prime (90167221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45083613 + 45083614.

It is an arithmetic number, because the mean of its divisors is an integer number (45083614).

Almost surely, 2^90167227 is an apocalyptic number.

90167227 is a deficient number, since it is larger than the sum of its proper divisors (1).

90167227 is an equidigital number, since it uses as much as digits as its factorization.

90167227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 90167227 is about 9495.6425269699. The cubic root of 90167227 is about 448.4178628761.

The spelling of 90167227 in words is "ninety million, one hundred sixty-seven thousand, two hundred twenty-seven".