354221304 has 32 divisors (see below), whose sum is σ = 907154640. Its totient is φ = 115193600.

The previous prime is 354221303. The next prime is 354221317. The reversal of 354221304 is 403122453.

It is a super-3 number, since 3×354221304³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354221303) 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 7 ways as a sum of consecutive naturals, for example, 179007 + ... + 180974.

Almost surely, 2^354221304 is an apocalyptic number.

It is an amenable number.

354221304 is an abundant number, since it is smaller than the sum of its proper divisors (552933336).

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

354221304 is a wasteful number, since it uses less digits than its factorization.

354221304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360031 (or 360027 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 354221304 is about 18820.7678908168. The cubic root of 354221304 is about 707.5517766883.

Adding to 354221304 its reverse (403122453), we get a palindrome (757343757).

The spelling of 354221304 in words is "three hundred fifty-four million, two hundred twenty-one thousand, three hundred four".