1366224 has 20 divisors (see below), whose sum is σ = 3529536. Its totient is φ = 455392.

The previous prime is 1366213. The next prime is 1366241. The reversal of 1366224 is 4226631.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 1366194 and 1366203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14184 + ... + 14279.

2^1366224 is an apocalyptic number.

It is an amenable number.

1366224 is an abundant number, since it is smaller than the sum of its proper divisors (2163312).

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

1366224 is a wasteful number, since it uses less digits than its factorization.

1366224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28474 (or 28468 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1366224 is about 1168.8558508216. The cubic root of 1366224 is about 110.9619218468.

The spelling of 1366224 in words is "one million, three hundred sixty-six thousand, two hundred twenty-four".