1366722 has 24 divisors (see below), whose sum is σ = 3384576. Its totient is φ = 390456.

The previous prime is 1366721. The next prime is 1366747. The reversal of 1366722 is 2276631.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1366721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5298 + ... + 5549.

It is an arithmetic number, because the mean of its divisors is an integer number (141024).

2^1366722 is an apocalyptic number.

1366722 is an abundant number, since it is smaller than the sum of its proper divisors (2017854).

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

1366722 is a wasteful number, since it uses less digits than its factorization.

1366722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10862 (or 10859 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1366722 is about 1169.0688602473. The cubic root of 1366722 is about 110.9754023898.

Subtracting 1366722 from its reverse (2276631), we obtain a palindrome (909909).

It can be divided in two parts, 13667 and 22, that added together give a square (13689 = 117²).

The spelling of 1366722 in words is "one million, three hundred sixty-six thousand, seven hundred twenty-two".