85281422 has 4 divisors (see below), whose sum is σ = 127922136. Its totient is φ = 42640710.

The previous prime is 85281409. The next prime is 85281433. The reversal of 85281422 is 22418258.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21320354 + ... + 21320357.

It is an arithmetic number, because the mean of its divisors is an integer number (31980534).

Almost surely, 2^85281422 is an apocalyptic number.

85281422 is a deficient number, since it is larger than the sum of its proper divisors (42640714).

85281422 is a wasteful number, since it uses less digits than its factorization.

85281422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42640713.

The product of its digits is 10240, while the sum is 32.

The square root of 85281422 is about 9234.7940962428. The cubic root of 85281422 is about 440.1676736987.

The spelling of 85281422 in words is "eighty-five million, two hundred eighty-one thousand, four hundred twenty-two".