1214224 has 20 divisors (see below), whose sum is σ = 2566800. Its totient is φ = 551840.

The previous prime is 1214221. The next prime is 1214237. The reversal of 1214224 is 4224121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1214198 and 1214207.

It is not an unprimeable number, because it can be changed into a prime (1214221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3274 + ... + 3625.

It is an arithmetic number, because the mean of its divisors is an integer number (128340).

2^1214224 is an apocalyptic number.

It is an amenable number.

1214224 is an abundant number, since it is smaller than the sum of its proper divisors (1352576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214224 is a wasteful number, since it uses less digits than its factorization.

1214224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918 (or 6912 counting only the distinct ones).

The product of its digits is 128, while the sum is 16.

The square root of 1214224 is about 1101.9183272820. The cubic root of 1214224 is about 106.6840770192.

Adding to 1214224 its reverse (4224121), we get a palindrome (5438345).

The spelling of 1214224 in words is "one million, two hundred fourteen thousand, two hundred twenty-four".