85422254 has 4 divisors (see below), whose sum is σ = 128133384. Its totient is φ = 42711126.

The previous prime is 85422247. The next prime is 85422257. The reversal of 85422254 is 45222458.

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

It is a super-2 number, since 2×85422254² = 14593922956881032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85422254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85422257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21355562 + ... + 21355565.

It is an arithmetic number, because the mean of its divisors is an integer number (32033346).

Almost surely, 2^85422254 is an apocalyptic number.

85422254 is a deficient number, since it is larger than the sum of its proper divisors (42711130).

85422254 is a wasteful number, since it uses less digits than its factorization.

85422254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42711129.

The product of its digits is 25600, while the sum is 32.

The square root of 85422254 is about 9242.4160261265. The cubic root of 85422254 is about 440.4098350855.

The spelling of 85422254 in words is "eighty-five million, four hundred twenty-two thousand, two hundred fifty-four".