12222419 has 8 divisors (see below), whose sum is σ = 13452912. Its totient is φ = 11011840.

The previous prime is 12222403. The next prime is 12222433. The reversal of 12222419 is 91422221.

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 12222419 - 2⁴ = 12222403 is a prime.

It is a super-2 number, since 2×12222419² = 298775052423122, which contains 22 as substring.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12222394 and 12222403.

It is not an unprimeable number, because it can be changed into a prime (12222319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3674 + ... + 6159.

It is an arithmetic number, because the mean of its divisors is an integer number (1681614).

Almost surely, 2^12222419 is an apocalyptic number.

12222419 is a deficient number, since it is larger than the sum of its proper divisors (1230493).

12222419 is a wasteful number, since it uses less digits than its factorization.

12222419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9957.

The product of its digits is 576, while the sum is 23.

The square root of 12222419 is about 3496.0576368247. The cubic root of 12222419 is about 230.3486771917.

The spelling of 12222419 in words is "twelve million, two hundred twenty-two thousand, four hundred nineteen".