97443225 has 36 divisors (see below), whose sum is σ = 190402992. Its totient is φ = 47244000.

The previous prime is 97443221. The next prime is 97443239. The reversal of 97443225 is 52234479.

It is not a de Polignac number, because 97443225 - 2² = 97443221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97443225.

It is not an unprimeable number, because it can be changed into a prime (97443221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17211 + ... + 22160.

It is an arithmetic number, because the mean of its divisors is an integer number (5288972).

Almost surely, 2^97443225 is an apocalyptic number.

It is an amenable number.

97443225 is a deficient number, since it is larger than the sum of its proper divisors (92959767).

97443225 is a wasteful number, since it uses less digits than its factorization.

97443225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39398 (or 39390 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 97443225 is about 9871.3334965444. Note that the first 3 decimals coincide. The cubic root of 97443225 is about 460.1688494820.

The spelling of 97443225 in words is "ninety-seven million, four hundred forty-three thousand, two hundred twenty-five".