1338224 has 10 divisors (see below), whose sum is σ = 2592840. Its totient is φ = 669104.

The previous prime is 1338217. The next prime is 1338229. The reversal of 1338224 is 4228331.

It is a self number, because there is not a number n which added to its sum of digits gives 1338224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41804 + ... + 41835.

It is an arithmetic number, because the mean of its divisors is an integer number (259284).

2^1338224 is an apocalyptic number.

It is an amenable number.

1338224 is a deficient number, since it is larger than the sum of its proper divisors (1254616).

1338224 is an equidigital number, since it uses as much as digits as its factorization.

1338224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83647 (or 83641 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1338224 is about 1156.8163207701. The cubic root of 1338224 is about 110.1986493072.

The spelling of 1338224 in words is "one million, three hundred thirty-eight thousand, two hundred twenty-four".