22146199 has 2 divisors, whose sum is σ = 22146200. Its totient is φ = 22146198.

The previous prime is 22146197. The next prime is 22146203. The reversal of 22146199 is 99164122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22146199 - 2¹ = 22146197 is a prime.

Together with 22146197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22146197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11073099 + 11073100.

It is an arithmetic number, because the mean of its divisors is an integer number (11073100).

Almost surely, 2^22146199 is an apocalyptic number.

22146199 is a deficient number, since it is larger than the sum of its proper divisors (1).

22146199 is an equidigital number, since it uses as much as digits as its factorization.

22146199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 22146199 is about 4705.9748193121. The cubic root of 22146199 is about 280.8232531277.

The spelling of 22146199 in words is "twenty-two million, one hundred forty-six thousand, one hundred ninety-nine".