235220345 has 4 divisors (see below), whose sum is σ = 282264420. Its totient is φ = 188176272.

The previous prime is 235220309. The next prime is 235220357. The reversal of 235220345 is 543022532.

235220345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71098624 + 164121721 = 8432^2 + 12811^2 .

It is a cyclic number.

It is not a de Polignac number, because 235220345 - 2¹² = 235216249 is a prime.

It is a super-2 number, since 2×235220345² = 110657221403838050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23522030 + ... + 23522039.

It is an arithmetic number, because the mean of its divisors is an integer number (70566105).

Almost surely, 2^235220345 is an apocalyptic number.

It is an amenable number.

235220345 is a deficient number, since it is larger than the sum of its proper divisors (47044075).

235220345 is an equidigital number, since it uses as much as digits as its factorization.

235220345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47044074.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 235220345 is about 15336.8948943389. The cubic root of 235220345 is about 617.2933914065.

Adding to 235220345 its reverse (543022532), we get a palindrome (778242877).

The spelling of 235220345 in words is "two hundred thirty-five million, two hundred twenty thousand, three hundred forty-five".