22199147 has 2 divisors, whose sum is σ = 22199148. Its totient is φ = 22199146.

The previous prime is 22199119. The next prime is 22199159. The reversal of 22199147 is 74199122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22199147 - 2¹⁰ = 22198123 is a prime.

It is not a weakly prime, because it can be changed into another prime (22199647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11099573 + 11099574.

It is an arithmetic number, because the mean of its divisors is an integer number (11099574).

Almost surely, 2^22199147 is an apocalyptic number.

22199147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22199147 is an equidigital number, since it uses as much as digits as its factorization.

22199147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 22199147 is about 4711.5970753026. The cubic root of 22199147 is about 281.0468760845.

The spelling of 22199147 in words is "twenty-two million, one hundred ninety-nine thousand, one hundred forty-seven".