404221299 has 4 divisors (see below), whose sum is σ = 538961736. Its totient is φ = 269480864.

The previous prime is 404221289. The next prime is 404221339. The reversal of 404221299 is 992122404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404221299 - 2⁵ = 404221267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404221249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67370214 + ... + 67370219.

It is an arithmetic number, because the mean of its divisors is an integer number (134740434).

Almost surely, 2^404221299 is an apocalyptic number.

404221299 is a deficient number, since it is larger than the sum of its proper divisors (134740437).

404221299 is a wasteful number, since it uses less digits than its factorization.

404221299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134740436.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 404221299 is about 20105.2555069564. The cubic root of 404221299 is about 739.3891349046.

The spelling of 404221299 in words is "four hundred four million, two hundred twenty-one thousand, two hundred ninety-nine".