1228199 has 8 divisors (see below), whose sum is σ = 1486368. Its totient is φ = 990720.

The previous prime is 1228193. The next prime is 1228219. The reversal of 1228199 is 9918221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1228199 - 2⁸ = 1227943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228193) 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 in 7 ways as a sum of consecutive naturals, for example, 5042 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (185796).

2^1228199 is an apocalyptic number.

1228199 is a deficient number, since it is larger than the sum of its proper divisors (258169).

1228199 is a wasteful number, since it uses less digits than its factorization.

1228199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10345.

The product of its digits is 2592, while the sum is 32.

The square root of 1228199 is about 1108.2413996959. The cubic root of 1228199 is about 107.0918069605.

The spelling of 1228199 in words is "one million, two hundred twenty-eight thousand, one hundred ninety-nine".