85422067 has 2 divisors, whose sum is σ = 85422068. Its totient is φ = 85422066.

The previous prime is 85422053. The next prime is 85422083. The reversal of 85422067 is 76022458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85422067 - 2⁷ = 85421939 is a prime.

It is not a weakly prime, because it can be changed into another prime (85422047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42711033 + 42711034.

It is an arithmetic number, because the mean of its divisors is an integer number (42711034).

Almost surely, 2^85422067 is an apocalyptic number.

85422067 is a deficient number, since it is larger than the sum of its proper divisors (1).

85422067 is an equidigital number, since it uses as much as digits as its factorization.

85422067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 85422067 is about 9242.4059097185. The cubic root of 85422067 is about 440.4095137145.

It can be divided in two parts, 8542 and 2067, that added together give a square (10609 = 103²).

The spelling of 85422067 in words is "eighty-five million, four hundred twenty-two thousand, sixty-seven".