354221330105 has 16 divisors (see below), whose sum is σ = 431393538960. Its totient is φ = 279181427712.

The previous prime is 354221330083. The next prime is 354221330143. The reversal of 354221330105 is 501033122453.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 34992940096 + 319228390009 = 187064^2 + 565003^2 .

It is a cyclic number.

It is not a de Polignac number, because 354221330105 - 2¹⁸ = 354221067961 is a prime.

It is a super-3 number, since 3×354221330105³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1313564 + ... + 1560093.

It is an arithmetic number, because the mean of its divisors is an integer number (26962096185).

Almost surely, 2^354221330105 is an apocalyptic number.

It is an amenable number.

354221330105 is a deficient number, since it is larger than the sum of its proper divisors (77172208855).

354221330105 is a wasteful number, since it uses less digits than its factorization.

354221330105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874028.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 354221330105 its reverse (501033122453), we get a palindrome (855254452558).

The spelling of 354221330105 in words is "three hundred fifty-four billion, two hundred twenty-one million, three hundred thirty thousand, one hundred five".