2247397 has 2 divisors, whose sum is σ = 2247398. Its totient is φ = 2247396.

The previous prime is 2247389. The next prime is 2247409. The reversal of 2247397 is 7937422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2217121 + 30276 = 1489^2 + 174^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247397 - 2³ = 2247389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2247337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123698 + 1123699.

It is an arithmetic number, because the mean of its divisors is an integer number (1123699).

2^2247397 is an apocalyptic number.

It is an amenable number.

2247397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247397 is an equidigital number, since it uses as much as digits as its factorization.

2247397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 2247397 is about 1499.1320822396. The cubic root of 2247397 is about 130.9865184347.

The spelling of 2247397 in words is "two million, two hundred forty-seven thousand, three hundred ninety-seven".