2222249 has 2 divisors, whose sum is σ = 2222250. Its totient is φ = 2222248.

The previous prime is 2222243. The next prime is 2222251. The reversal of 2222249 is 9422222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1338649 + 883600 = 1157^2 + 940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222249 is a prime.

Together with 2222251, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁶ + 2⁷ + 2⁸ + 2¹⁶ + 2²¹ + 4³ + 9⁵ .

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (2222243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111124 + 1111125.

It is an arithmetic number, because the mean of its divisors is an integer number (1111125).

2^2222249 is an apocalyptic number.

It is an amenable number.

2222249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222249 is an equidigital number, since it uses as much as digits as its factorization.

2222249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 2222249 is about 1490.7209665125. The cubic root of 2222249 is about 130.4961121941.

The spelling of 2222249 in words is "two million, two hundred twenty-two thousand, two hundred forty-nine".