404221614 has 32 divisors (see below), whose sum is σ = 857640960. Its totient is φ = 126571392.

The previous prime is 404221613. The next prime is 404221693. The reversal of 404221614 is 416122404.

It is a happy number.

It is a super-2 number, since 2×404221614² = 326790226449529992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404221613) 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 15 ways as a sum of consecutive naturals, for example, 53907 + ... + 60945.

It is an arithmetic number, because the mean of its divisors is an integer number (26801280).

Almost surely, 2^404221614 is an apocalyptic number.

404221614 is an abundant number, since it is smaller than the sum of its proper divisors (453419346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404221614 is a wasteful number, since it uses less digits than its factorization.

404221614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 404221614 is about 20105.2633407275. The cubic root of 404221614 is about 739.3893269673.

The spelling of 404221614 in words is "four hundred four million, two hundred twenty-one thousand, six hundred fourteen".