2251199 has 2 divisors, whose sum is σ = 2251200. Its totient is φ = 2251198.

The previous prime is 2251169. The next prime is 2251201. The reversal of 2251199 is 9911522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2251199 - 2¹² = 2247103 is a prime.

Together with 2251201, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125599 + 1125600.

It is an arithmetic number, because the mean of its divisors is an integer number (1125600).

2^2251199 is an apocalyptic number.

2251199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251199 is an equidigital number, since it uses as much as digits as its factorization.

2251199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 29.

The square root of 2251199 is about 1500.3996134364. The cubic root of 2251199 is about 131.0603416433.

The spelling of 2251199 in words is "two million, two hundred fifty-one thousand, one hundred ninety-nine".