354221012 has 12 divisors (see below), whose sum is σ = 620261460. Its totient is φ = 177003456.

The previous prime is 354221003. The next prime is 354221029. The reversal of 354221012 is 210122453.

It can be written as a sum of positive squares in 2 ways, for example, as 96746896 + 257474116 = 9836^2 + 16046^2 .

It is a super-3 number, since 3×354221012³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 19073 + ... + 32744.

It is an arithmetic number, because the mean of its divisors is an integer number (51688455).

Almost surely, 2^354221012 is an apocalyptic number.

It is an amenable number.

354221012 is a deficient number, since it is larger than the sum of its proper divisors (266040448).

354221012 is a wasteful number, since it uses less digits than its factorization.

354221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53530 (or 53528 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 354221012 is about 18820.7601334271. The cubic root of 354221012 is about 707.5515822664.

Adding to 354221012 its reverse (210122453), we get a palindrome (564343465).

The spelling of 354221012 in words is "three hundred fifty-four million, two hundred twenty-one thousand, twelve".