2246689 has 2 divisors, whose sum is σ = 2246690. Its totient is φ = 2246688.

The previous prime is 2246687. The next prime is 2246749. The reversal of 2246689 is 9866422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2235025 + 11664 = 1495^2 + 108^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246689 - 2¹ = 2246687 is a prime.

It is a super-2 number, since 2×2246689² = 10095222925442, which contains 22 as substring.

Together with 2246687, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 4⁷ + 6⁶ + 6⁶ + 8³ + 9⁴ .

2246689 is a lucky number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (2246683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123344 + 1123345.

It is an arithmetic number, because the mean of its divisors is an integer number (1123345).

2^2246689 is an apocalyptic number.

It is an amenable number.

2246689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2246689 is an equidigital number, since it uses as much as digits as its factorization.

2246689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 2246689 is about 1498.8959270076. The cubic root of 2246689 is about 130.9727620467.

The spelling of 2246689 in words is "two million, two hundred forty-six thousand, six hundred eighty-nine".