2292197 has 8 divisors (see below), whose sum is σ = 2377080. Its totient is φ = 2208960.

The previous prime is 2292193. The next prime is 2292221. The reversal of 2292197 is 7912922.

It is a Cunningham number, because it is equal to 1514²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 2292196 = 1^2 + 1514^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2292197 - 2² = 2292193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2292193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2879 + ... + 3587.

It is an arithmetic number, because the mean of its divisors is an integer number (297135).

2^2292197 is an apocalyptic number.

It is an amenable number.

2292197 is a deficient number, since it is larger than the sum of its proper divisors (84883).

2292197 is an equidigital number, since it uses as much as digits as its factorization.

2292197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its digits is 4536, while the sum is 32.

The square root of 2292197 is about 1514.0003302510. Note that the first 3 decimals coincide. The cubic root of 2292197 is about 131.8511675747.

The spelling of 2292197 in words is "two million, two hundred ninety-two thousand, one hundred ninety-seven".