1334736221 has 16 divisors (see below), whose sum is σ = 1677709824. Its totient is φ = 1033582464.

The previous prime is 1334736167. The next prime is 1334736239. The reversal of 1334736221 is 1226374331.

It is a cyclic number.

It is not a de Polignac number, because 1334736221 - 2²⁶ = 1267627357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334736251) 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 15 ways as a sum of consecutive naturals, for example, 151760 + ... + 160313.

It is an arithmetic number, because the mean of its divisors is an integer number (104856864).

Almost surely, 2^1334736221 is an apocalyptic number.

It is an amenable number.

1334736221 is a deficient number, since it is larger than the sum of its proper divisors (342973603).

1334736221 is a wasteful number, since it uses less digits than its factorization.

1334736221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312140.

The product of its digits is 18144, while the sum is 32.

The square root of 1334736221 is about 36534.0419472032. The cubic root of 1334736221 is about 1101.0283004096.

The spelling of 1334736221 in words is "one billion, three hundred thirty-four million, seven hundred thirty-six thousand, two hundred twenty-one".