220434353 has 2 divisors, whose sum is σ = 220434354. Its totient is φ = 220434352.

The previous prime is 220434341. The next prime is 220434391. The reversal of 220434353 is 353434022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133795489 + 86638864 = 11567^2 + 9308^2 .

It is a cyclic number.

It is not a de Polignac number, because 220434353 - 2¹² = 220430257 is a prime.

It is a super-4 number, since 4×220434353⁴ (a number of 34 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (220434853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110217176 + 110217177.

It is an arithmetic number, because the mean of its divisors is an integer number (110217177).

Almost surely, 2^220434353 is an apocalyptic number.

It is an amenable number.

220434353 is a deficient number, since it is larger than the sum of its proper divisors (1).

220434353 is an equidigital number, since it uses as much as digits as its factorization.

220434353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 220434353 is about 14847.0317909002. The cubic root of 220434353 is about 604.0781014234.

Adding to 220434353 its reverse (353434022), we get a palindrome (573868375).

The spelling of 220434353 in words is "two hundred twenty million, four hundred thirty-four thousand, three hundred fifty-three".