1364223 has 16 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 772896.

The previous prime is 1364221. The next prime is 1364239. The reversal of 1364223 is 3224631.

It is a happy number.

It is a Cunningham number, because it is equal to 1168²-1.

It is not a de Polignac number, because 1364223 - 2¹ = 1364221 is a prime.

It is a super-2 number, since 2×1364223² = 3722208787458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a d-powerful number, because it can be written as 1 + 3⁵ + 6⁷ + 4¹⁰ + 2⁹ + 2¹⁵ + 3⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 1364223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3313 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

2^1364223 is an apocalyptic number.

1364223 is a deficient number, since it is larger than the sum of its proper divisors (732417).

1364223 is a wasteful number, since it uses less digits than its factorization.

1364223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566.

The product of its digits is 864, while the sum is 21.

The square root of 1364223 is about 1167.9995719177. Note that the first 3 decimals coincide. The cubic root of 1364223 is about 110.9077230007.

Adding to 1364223 its reverse (3224631), we get a palindrome (4588854).

The spelling of 1364223 in words is "one million, three hundred sixty-four thousand, two hundred twenty-three".