2249747 has 2 divisors, whose sum is σ = 2249748. Its totient is φ = 2249746.

The previous prime is 2249743. The next prime is 2249759. The reversal of 2249747 is 7479422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2249747 - 2² = 2249743 is a prime.

It is a super-2 number, since 2×2249747² = 10122723128018, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 4⁴ + 9² + 7⁴ + 4⁷ + 7⁴ .

It is not a weakly prime, because it can be changed into another prime (2249743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124873 + 1124874.

It is an arithmetic number, because the mean of its divisors is an integer number (1124874).

2^2249747 is an apocalyptic number.

2249747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249747 is an equidigital number, since it uses as much as digits as its factorization.

2249747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 2249747 is about 1499.9156642958. The cubic root of 2249747 is about 131.0321580628.

The spelling of 2249747 in words is "two million, two hundred forty-nine thousand, seven hundred forty-seven".