85422550 has 24 divisors (see below), whose sum is σ = 159192936. Its totient is φ = 34103040.

The previous prime is 85422539. The next prime is 85422551. The reversal of 85422550 is 5522458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85422551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30822 + ... + 33478.

It is an arithmetic number, because the mean of its divisors is an integer number (6633039).

Almost surely, 2^85422550 is an apocalyptic number.

85422550 is a deficient number, since it is larger than the sum of its proper divisors (73770386).

85422550 is a wasteful number, since it uses less digits than its factorization.

85422550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312 (or 3307 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 85422550 is about 9242.4320392416. The cubic root of 85422550 is about 440.4103437787.

The spelling of 85422550 in words is "eighty-five million, four hundred twenty-two thousand, five hundred fifty".