2247697 has 2 divisors, whose sum is σ = 2247698. Its totient is φ = 2247696.

The previous prime is 2247691. The next prime is 2247709. The reversal of 2247697 is 7967422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 938961 = 1144^2 + 969^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247697 - 2⁷ = 2247569 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁹ + 4⁷ + 7⁴ + 6⁸ + 9 + 7⁵ .

2247697 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2247691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123848 + 1123849.

It is an arithmetic number, because the mean of its divisors is an integer number (1123849).

2^2247697 is an apocalyptic number.

It is an amenable number.

2247697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247697 is an equidigital number, since it uses as much as digits as its factorization.

2247697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 2247697 is about 1499.2321367954. The cubic root of 2247697 is about 130.9923465412.

It can be divided in two parts, 224 and 7697, that added together give a square (7921 = 89²).

The spelling of 2247697 in words is "two million, two hundred forty-seven thousand, six hundred ninety-seven".