85388522 has 4 divisors (see below), whose sum is σ = 128082786. Its totient is φ = 42694260.

The previous prime is 85388503. The next prime is 85388561. The reversal of 85388522 is 22588358.

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

It can be written as a sum of positive squares in only one way, i.e., 45711121 + 39677401 = 6761^2 + 6299^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85388522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21347129 + ... + 21347132.

Almost surely, 2^85388522 is an apocalyptic number.

85388522 is a deficient number, since it is larger than the sum of its proper divisors (42694264).

85388522 is a wasteful number, since it uses less digits than its factorization.

85388522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42694263.

The product of its digits is 153600, while the sum is 41.

The square root of 85388522 is about 9240.5909984156. The cubic root of 85388522 is about 440.3518569835.

The spelling of 85388522 in words is "eighty-five million, three hundred eighty-eight thousand, five hundred twenty-two".