85381922 has 16 divisors (see below), whose sum is σ = 137009880. Its totient is φ = 39763968.

The previous prime is 85381921. The next prime is 85381927. The reversal of 85381922 is 22918358.

It can be written as a sum of positive squares in 4 ways, for example, as 85359121 + 22801 = 9239^2 + 151^2 .

It is not an unprimeable number, because it can be changed into a prime (85381921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9647 + ... + 16242.

Almost surely, 2^85381922 is an apocalyptic number.

85381922 is a deficient number, since it is larger than the sum of its proper divisors (51627958).

85381922 is a wasteful number, since it uses less digits than its factorization.

85381922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26005.

The product of its digits is 34560, while the sum is 38.

The square root of 85381922 is about 9240.2338714991. The cubic root of 85381922 is about 440.3405112075.

The spelling of 85381922 in words is "eighty-five million, three hundred eighty-one thousand, nine hundred twenty-two".