85223205 has 64 divisors (see below), whose sum is σ = 158526720. Its totient is φ = 43400448.

The previous prime is 85223197. The next prime is 85223207. The reversal of 85223205 is 50232258.

It is not a de Polignac number, because 85223205 - 2³ = 85223197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85223207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 307527 + ... + 307803.

It is an arithmetic number, because the mean of its divisors is an integer number (2476980).

Almost surely, 2^85223205 is an apocalyptic number.

It is an amenable number.

85223205 is a deficient number, since it is larger than the sum of its proper divisors (73303515).

85223205 is a wasteful number, since it uses less digits than its factorization.

85223205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 85223205 is about 9231.6415116706. The cubic root of 85223205 is about 440.0674913688.

The spelling of 85223205 in words is "eighty-five million, two hundred twenty-three thousand, two hundred five".