98564225 has 6 divisors (see below), whose sum is σ = 122219670. Its totient is φ = 78851360.

The previous prime is 98564197. The next prime is 98564261. The reversal of 98564225 is 52246589.

It can be written as a sum of positive squares in 3 ways, for example, as 237169 + 98327056 = 487^2 + 9916^2 .

It is not a de Polignac number, because 98564225 - 2²⁴ = 81787009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1971260 + ... + 1971309.

It is an arithmetic number, because the mean of its divisors is an integer number (20369945).

Almost surely, 2^98564225 is an apocalyptic number.

It is an amenable number.

98564225 is a deficient number, since it is larger than the sum of its proper divisors (23655445).

98564225 is a wasteful number, since it uses less digits than its factorization.

98564225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942579 (or 3942574 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 98564225 is about 9927.9517021388. The cubic root of 98564225 is about 461.9267404437.

It can be divided in two parts, 98564 and 225, that added together give a palindrome (98789).

The spelling of 98564225 in words is "ninety-eight million, five hundred sixty-four thousand, two hundred twenty-five".