1334042221 has 2 divisors, whose sum is σ = 1334042222. Its totient is φ = 1334042220.

The previous prime is 1334042201. The next prime is 1334042243. The reversal of 1334042221 is 1222404331.

It is an a-pointer prime, because the next prime (1334042243) can be obtained adding 1334042221 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 869424196 + 464618025 = 29486^2 + 21555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1334042221 - 2¹¹ = 1334040173 is a prime.

It is a super-2 number, since 2×1334042221² = 3559337294821225682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1334042192 and 1334042201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1334042201) 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 as a sum of consecutive naturals, namely, 667021110 + 667021111.

It is an arithmetic number, because the mean of its divisors is an integer number (667021111).

Almost surely, 2^1334042221 is an apocalyptic number.

It is an amenable number.

1334042221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1334042221 is an equidigital number, since it uses as much as digits as its factorization.

1334042221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1334042221 is about 36524.5427212991. The cubic root of 1334042221 is about 1100.8374396985.

Adding to 1334042221 its reverse (1222404331), we get a palindrome (2556446552).

The spelling of 1334042221 in words is "one billion, three hundred thirty-four million, forty-two thousand, two hundred twenty-one".