1366602223 has 8 divisors (see below), whose sum is σ = 1572314400. Its totient is φ = 1163510880.

The previous prime is 1366602217. The next prime is 1366602229. The reversal of 1366602223 is 3222066631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1366602217) and next prime (1366602229).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1366602223 - 2¹⁷ = 1366471151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366602229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654088 + ... + 656173.

It is an arithmetic number, because the mean of its divisors is an integer number (196539300).

Almost surely, 2^1366602223 is an apocalyptic number.

1366602223 is a deficient number, since it is larger than the sum of its proper divisors (205712177).

1366602223 is a wasteful number, since it uses less digits than its factorization.

1366602223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310417.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1366602223 is about 36967.5834076289. The cubic root of 1366602223 is about 1109.7216040181.

Adding to 1366602223 its reverse (3222066631), we get a palindrome (4588668854).

The spelling of 1366602223 in words is "one billion, three hundred sixty-six million, six hundred two thousand, two hundred twenty-three".