85552225 has 12 divisors (see below), whose sum is σ = 115729200. Its totient is φ = 62219600.

The previous prime is 85552223. The next prime is 85552237. The reversal of 85552225 is 52225558.

It is a happy number.

It is not a de Polignac number, because 85552225 - 2¹ = 85552223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85552223) 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, 155275 + ... + 155824.

It is an arithmetic number, because the mean of its divisors is an integer number (9644100).

Almost surely, 2^85552225 is an apocalyptic number.

It is an amenable number.

85552225 is a deficient number, since it is larger than the sum of its proper divisors (30176975).

85552225 is a wasteful number, since it uses less digits than its factorization.

85552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311120 (or 311115 counting only the distinct ones).

The product of its digits is 40000, while the sum is 34.

The square root of 85552225 is about 9249.4445779193. Note that the first 3 decimals coincide. The cubic root of 85552225 is about 440.6330848742.

The spelling of 85552225 in words is "eighty-five million, five hundred fifty-two thousand, two hundred twenty-five".