97784225 has 48 divisors (see below), whose sum is σ = 153323520. Its totient is φ = 60091200.

The previous prime is 97784207. The next prime is 97784231. The reversal of 97784225 is 52248779.

It is not a de Polignac number, because 97784225 - 2¹⁴ = 97767841 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151754 + ... + 152396.

It is an arithmetic number, because the mean of its divisors is an integer number (3194240).

Almost surely, 2^97784225 is an apocalyptic number.

It is an amenable number.

97784225 is a deficient number, since it is larger than the sum of its proper divisors (55539295).

97784225 is a wasteful number, since it uses less digits than its factorization.

97784225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 745 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 97784225 is about 9888.5906478123. The cubic root of 97784225 is about 460.7050074678.

The spelling of 97784225 in words is "ninety-seven million, seven hundred eighty-four thousand, two hundred twenty-five".