85622445 has 24 divisors (see below), whose sum is σ = 154866816. Its totient is φ = 43679328.

The previous prime is 85622441. The next prime is 85622461. The reversal of 85622445 is 54422658.

It is a happy number.

It is not a de Polignac number, because 85622445 - 2² = 85622441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85622441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40329 + ... + 42398.

It is an arithmetic number, because the mean of its divisors is an integer number (6452784).

Almost surely, 2^85622445 is an apocalyptic number.

It is an amenable number.

85622445 is a deficient number, since it is larger than the sum of its proper divisors (69244371).

85622445 is a wasteful number, since it uses less digits than its factorization.

85622445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82761 (or 82758 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 85622445 is about 9253.2397029365. The cubic root of 85622445 is about 440.7536069440.

The spelling of 85622445 in words is "eighty-five million, six hundred twenty-two thousand, four hundred forty-five".