354223241 has 2 divisors, whose sum is σ = 354223242. Its totient is φ = 354223240.

The previous prime is 354223223. The next prime is 354223249. The reversal of 354223241 is 142322453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200364025 + 153859216 = 14155^2 + 12404^2 .

It is a cyclic number.

It is not a de Polignac number, because 354223241 - 2²² = 350028937 is a prime.

It is a super-3 number, since 3×354223241³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 354223241.

It is not a weakly prime, because it can be changed into another prime (354223249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177111620 + 177111621.

It is an arithmetic number, because the mean of its divisors is an integer number (177111621).

Almost surely, 2^354223241 is an apocalyptic number.

It is an amenable number.

354223241 is a deficient number, since it is larger than the sum of its proper divisors (1).

354223241 is an equidigital number, since it uses as much as digits as its factorization.

354223241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 26.

The square root of 354223241 is about 18820.8193498583. The cubic root of 354223241 is about 707.5530663955.

Adding to 354223241 its reverse (142322453), we get a palindrome (496545694).

The spelling of 354223241 in words is "three hundred fifty-four million, two hundred twenty-three thousand, two hundred forty-one".