34228591 has 2 divisors, whose sum is σ = 34228592. Its totient is φ = 34228590.

The previous prime is 34228583. The next prime is 34228609. The reversal of 34228591 is 19582243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34228591 - 2³ = 34228583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34228561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17114295 + 17114296.

It is an arithmetic number, because the mean of its divisors is an integer number (17114296).

Almost surely, 2^34228591 is an apocalyptic number.

34228591 is a deficient number, since it is larger than the sum of its proper divisors (1).

34228591 is an equidigital number, since it uses as much as digits as its factorization.

34228591 is an evil number, because the sum of its binary digits is even.

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

The square root of 34228591 is about 5850.5205751283. The cubic root of 34228591 is about 324.6855846801.

The spelling of 34228591 in words is "thirty-four million, two hundred twenty-eight thousand, five hundred ninety-one".