1336221 has 6 divisors (see below), whose sum is σ = 1930110. Its totient is φ = 890808.

The previous prime is 1336211. The next prime is 1336229. The reversal of 1336221 is 1226331.

It can be written as a sum of positive squares in only one way, i.e., 1028196 + 308025 = 1014^2 + 555^2 .

It is not a de Polignac number, because 1336221 - 2⁵ = 1336189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1336194 and 1336203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1336229) 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 5 ways as a sum of consecutive naturals, for example, 74226 + ... + 74243.

It is an arithmetic number, because the mean of its divisors is an integer number (321685).

2^1336221 is an apocalyptic number.

It is an amenable number.

1336221 is a deficient number, since it is larger than the sum of its proper divisors (593889).

1336221 is a wasteful number, since it uses less digits than its factorization.

1336221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148475 (or 148472 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 1336221 is about 1155.9502584454. The cubic root of 1336221 is about 110.1436415477.

The spelling of 1336221 in words is "one million, three hundred thirty-six thousand, two hundred twenty-one".