86167225 has 24 divisors (see below), whose sum is σ = 109229120. Its totient is φ = 67417920.

The previous prime is 86167187. The next prime is 86167231. The reversal of 86167225 is 52276168.

It is a happy number.

It is not a de Polignac number, because 86167225 - 2⁷ = 86167097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280522 + ... + 280828.

Almost surely, 2^86167225 is an apocalyptic number.

It is an amenable number.

86167225 is a deficient number, since it is larger than the sum of its proper divisors (23061895).

86167225 is a wasteful number, since it uses less digits than its factorization.

86167225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 524 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 86167225 is about 9282.6302845691. The cubic root of 86167225 is about 441.6864086741.

It can be divided in two parts, 861 and 67225, that added together give a palindrome (68086).

The spelling of 86167225 in words is "eighty-six million, one hundred sixty-seven thousand, two hundred twenty-five".