1224419 has 4 divisors (see below), whose sum is σ = 1399344. Its totient is φ = 1049496.

The previous prime is 1224413. The next prime is 1224437. The reversal of 1224419 is 9144221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1224419 - 2⁴ = 1224403 is a prime.

It is a super-2 number, since 2×1224419² = 2998403775122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1224394 and 1224403.

It is not an unprimeable number, because it can be changed into a prime (1224413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87452 + ... + 87465.

It is an arithmetic number, because the mean of its divisors is an integer number (349836).

2^1224419 is an apocalyptic number.

1224419 is a deficient number, since it is larger than the sum of its proper divisors (174925).

1224419 is an equidigital number, since it uses as much as digits as its factorization.

1224419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174924.

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

The square root of 1224419 is about 1106.5346808844. The cubic root of 1224419 is about 106.9818293889.

The spelling of 1224419 in words is "one million, two hundred twenty-four thousand, four hundred nineteen".