85522774 has 4 divisors (see below), whose sum is σ = 128284164. Its totient is φ = 42761386.

The previous prime is 85522771. The next prime is 85522783. The reversal of 85522774 is 47722558.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85522771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21380692 + ... + 21380695.

It is an arithmetic number, because the mean of its divisors is an integer number (32071041).

Almost surely, 2^85522774 is an apocalyptic number.

85522774 is a deficient number, since it is larger than the sum of its proper divisors (42761390).

85522774 is a wasteful number, since it uses less digits than its factorization.

85522774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42761389.

The product of its digits is 156800, while the sum is 40.

The square root of 85522774 is about 9247.8523993412. The cubic root of 85522774 is about 440.5825170315.

The spelling of 85522774 in words is "eighty-five million, five hundred twenty-two thousand, seven hundred seventy-four".