1366422 has 16 divisors (see below), whose sum is σ = 2827440. Its totient is φ = 439712.

The previous prime is 1366397. The next prime is 1366427. The reversal of 1366422 is 2246631.

It is a junction number, because it is equal to n+sod(n) for n = 1366392 and 1366401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753 + ... + 4100.

It is an arithmetic number, because the mean of its divisors is an integer number (176715).

2^1366422 is an apocalyptic number.

1366422 is an abundant number, since it is smaller than the sum of its proper divisors (1461018).

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

1366422 is a wasteful number, since it uses less digits than its factorization.

1366422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887.

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

The square root of 1366422 is about 1168.9405459646. The cubic root of 1366422 is about 110.9672819730.

The spelling of 1366422 in words is "one million, three hundred sixty-six thousand, four hundred twenty-two".