97022225 has 6 divisors (see below), whose sum is σ = 120307590. Its totient is φ = 77617760.

The previous prime is 97022221. The next prime is 97022239. The reversal of 97022225 is 52222079.

It can be written as a sum of positive squares in 3 ways, for example, as 18309841 + 78712384 = 4279^2 + 8872^2 .

It is not a de Polignac number, because 97022225 - 2² = 97022221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97022221) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1940420 + ... + 1940469.

It is an arithmetic number, because the mean of its divisors is an integer number (20051265).

Almost surely, 2^97022225 is an apocalyptic number.

It is an amenable number.

97022225 is a deficient number, since it is larger than the sum of its proper divisors (23285365).

97022225 is a wasteful number, since it uses less digits than its factorization.

97022225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880899 (or 3880894 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 97022225 is about 9849.9860405992. The cubic root of 97022225 is about 459.5051783716.

The spelling of 97022225 in words is "ninety-seven million, twenty-two thousand, two hundred twenty-five".