1334212221 has 8 divisors (see below), whose sum is σ = 1856295360. Its totient is φ = 850801952.

The previous prime is 1334212183. The next prime is 1334212223. The reversal of 1334212221 is 1222124331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1334212221 - 2¹¹ = 1334210173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334212223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9668136 + ... + 9668273.

It is an arithmetic number, because the mean of its divisors is an integer number (232036920).

Almost surely, 2^1334212221 is an apocalyptic number.

It is an amenable number.

1334212221 is a deficient number, since it is larger than the sum of its proper divisors (522083139).

1334212221 is a wasteful number, since it uses less digits than its factorization.

1334212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19336435.

The product of its digits is 576, while the sum is 21.

The square root of 1334212221 is about 36526.8698494683. The cubic root of 1334212221 is about 1100.8841984424.

Adding to 1334212221 its reverse (1222124331), we get a palindrome (2556336552).

The spelling of 1334212221 in words is "one billion, three hundred thirty-four million, two hundred twelve thousand, two hundred twenty-one".