85472227 has 2 divisors, whose sum is σ = 85472228. Its totient is φ = 85472226.

The previous prime is 85472201. The next prime is 85472237. The reversal of 85472227 is 72227458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85472227 - 2⁷ = 85472099 is a prime.

It is not a weakly prime, because it can be changed into another prime (85472237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42736113 + 42736114.

It is an arithmetic number, because the mean of its divisors is an integer number (42736114).

Almost surely, 2^85472227 is an apocalyptic number.

85472227 is a deficient number, since it is larger than the sum of its proper divisors (1).

85472227 is an equidigital number, since it uses as much as digits as its factorization.

85472227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 37.

The square root of 85472227 is about 9245.1190906337. The cubic root of 85472227 is about 440.4956999481.

The spelling of 85472227 in words is "eighty-five million, four hundred seventy-two thousand, two hundred twenty-seven".