88646225 has 12 divisors (see below), whose sum is σ = 111159180. Its totient is φ = 70118400.

The previous prime is 88646221. The next prime is 88646249. The reversal of 88646225 is 52264688.

It can be written as a sum of positive squares in 6 ways, for example, as 14531344 + 74114881 = 3812^2 + 8609^2 .

It is not a de Polignac number, because 88646225 - 2² = 88646221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88646221) 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, 17696 + ... + 22145.

It is an arithmetic number, because the mean of its divisors is an integer number (9263265).

Almost surely, 2^88646225 is an apocalyptic number.

It is an amenable number.

88646225 is a deficient number, since it is larger than the sum of its proper divisors (22512955).

88646225 is a wasteful number, since it uses less digits than its factorization.

88646225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39940 (or 39935 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 88646225 is about 9415.2124245818. The cubic root of 88646225 is about 445.8821452559.

The spelling of 88646225 in words is "eighty-eight million, six hundred forty-six thousand, two hundred twenty-five".