1338622 has 4 divisors (see below), whose sum is σ = 2007936. Its totient is φ = 669310.

The previous prime is 1338587. The next prime is 1338637. The reversal of 1338622 is 2268331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2268331 = 13 ⋅174487.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 334654 + ... + 334657.

It is an arithmetic number, because the mean of its divisors is an integer number (501984).

2^1338622 is an apocalyptic number.

1338622 is a deficient number, since it is larger than the sum of its proper divisors (669314).

1338622 is an equidigital number, since it uses as much as digits as its factorization.

1338622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669313.

The product of its digits is 1728, while the sum is 25.

The square root of 1338622 is about 1156.9883318340. The cubic root of 1338622 is about 110.2095729181.

It can be divided in two parts, 13386 and 22, that multiplied together give a palindrome (294492).

The spelling of 1338622 in words is "one million, three hundred thirty-eight thousand, six hundred twenty-two".