354223361 has 2 divisors, whose sum is σ = 354223362. Its totient is φ = 354223360.

The previous prime is 354223321. The next prime is 354223367. The reversal of 354223361 is 163322453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184416400 + 169806961 = 13580^2 + 13031^2 .

It is a cyclic number.

It is not a de Polignac number, because 354223361 - 2⁶ = 354223297 is a prime.

It is a super-3 number, since 3×354223361³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (354223367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177111680 + 177111681.

It is an arithmetic number, because the mean of its divisors is an integer number (177111681).

Almost surely, 2^354223361 is an apocalyptic number.

It is an amenable number.

354223361 is a deficient number, since it is larger than the sum of its proper divisors (1).

354223361 is an equidigital number, since it uses as much as digits as its factorization.

354223361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 354223361 is about 18820.8225378170. The cubic root of 354223361 is about 707.5531462946.

It can be divided in two parts, 35422 and 3361, that added together give a palindrome (38783).

The spelling of 354223361 in words is "three hundred fifty-four million, two hundred twenty-three thousand, three hundred sixty-one".