1224244 has 24 divisors (see below), whose sum is σ = 2556288. Its totient is φ = 501600.

The previous prime is 1224239. The next prime is 1224257. The reversal of 1224244 is 4424221.

1224244 = T₁₂₇ + T₁₂₈ + ... + T₂₁₀.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307 + ... + 1594.

It is an arithmetic number, because the mean of its divisors is an integer number (106512).

2^1224244 is an apocalyptic number.

1224244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1224244 is an abundant number, since it is smaller than the sum of its proper divisors (1332044).

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

1224244 is a wasteful number, since it uses less digits than its factorization.

1224244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1933 counting only the distinct ones).

The product of its digits is 512, while the sum is 19.

The square root of 1224244 is about 1106.4556023628. The cubic root of 1224244 is about 106.9767323559.

Adding to 1224244 its reverse (4424221), we get a palindrome (5648465).

The spelling of 1224244 in words is "one million, two hundred twenty-four thousand, two hundred forty-four".