1334013221 has 2 divisors, whose sum is σ = 1334013222. Its totient is φ = 1334013220.

The previous prime is 1334013211. The next prime is 1334013223. The reversal of 1334013221 is 1223104331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 954192100 + 379821121 = 30890^2 + 19489^2 .

It is a cyclic number.

It is not a de Polignac number, because 1334013221 - 2⁶ = 1334013157 is a prime.

Together with 1334013223, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1334013193 and 1334013202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1334013223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667006610 + 667006611.

It is an arithmetic number, because the mean of its divisors is an integer number (667006611).

Almost surely, 2^1334013221 is an apocalyptic number.

It is an amenable number.

1334013221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1334013221 is an equidigital number, since it uses as much as digits as its factorization.

1334013221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1334013221 is about 36524.1457258072. The cubic root of 1334013221 is about 1100.8294628102.

Adding to 1334013221 its reverse (1223104331), we get a palindrome (2557117552).

The spelling of 1334013221 in words is "one billion, three hundred thirty-four million, thirteen thousand, two hundred twenty-one".