2240197 has 2 divisors, whose sum is σ = 2240198. Its totient is φ = 2240196.

The previous prime is 2240191. The next prime is 2240201. The reversal of 2240197 is 7910422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1252161 + 988036 = 1119^2 + 994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2240197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120098 + 1120099.

It is an arithmetic number, because the mean of its divisors is an integer number (1120099).

2^2240197 is an apocalyptic number.

It is an amenable number.

2240197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240197 is an equidigital number, since it uses as much as digits as its factorization.

2240197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2240197 is about 1496.7287663435. The cubic root of 2240197 is about 130.8464880098.

The spelling of 2240197 in words is "two million, two hundred forty thousand, one hundred ninety-seven".