1228184399 has 8 divisors (see below), whose sum is σ = 1323067200. Its totient is φ = 1133359776.

The previous prime is 1228184389. The next prime is 1228184407. The reversal of 1228184399 is 9934818221.

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 1228184399 - 2¹⁶ = 1228118863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228184359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35777 + ... + 61125.

It is an arithmetic number, because the mean of its divisors is an integer number (165383400).

Almost surely, 2^1228184399 is an apocalyptic number.

1228184399 is a deficient number, since it is larger than the sum of its proper divisors (94882801).

1228184399 is a wasteful number, since it uses less digits than its factorization.

1228184399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29089.

The product of its digits is 248832, while the sum is 47.

The square root of 1228184399 is about 35045.4618888095. The cubic root of 1228184399 is about 1070.9138258472.

The spelling of 1228184399 in words is "one billion, two hundred twenty-eight million, one hundred eighty-four thousand, three hundred ninety-nine".