350220434 has 16 divisors (see below), whose sum is σ = 557261208. Its totient is φ = 164504832.

The previous prime is 350220433. The next prime is 350220469. The reversal of 350220434 is 434022053.

It can be written as a sum of positive squares in 4 ways, for example, as 259113409 + 91107025 = 16097^2 + 9545^2 .

It is a super-2 number, since 2×350220434² = 245308704782296712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (350220433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9692 + ... + 28184.

Almost surely, 2^350220434 is an apocalyptic number.

350220434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

350220434 is a deficient number, since it is larger than the sum of its proper divisors (207040774).

350220434 is a wasteful number, since it uses less digits than its factorization.

350220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19069.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 350220434 is about 18714.1773530123. The cubic root of 350220434 is about 704.8777911334.

Adding to 350220434 its reverse (434022053), we get a palindrome (784242487).

The spelling of 350220434 in words is "three hundred fifty million, two hundred twenty thousand, four hundred thirty-four".