232220345 has 16 divisors (see below), whose sum is σ = 318743040. Its totient is φ = 159102144.

The previous prime is 232220327. The next prime is 232220353. The reversal of 232220345 is 543022232.

It is a cyclic number.

It is not a de Polignac number, because 232220345 - 2⁸ = 232220089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232220345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57296 + ... + 61214.

It is an arithmetic number, because the mean of its divisors is an integer number (19921440).

Almost surely, 2^232220345 is an apocalyptic number.

It is an amenable number.

232220345 is a deficient number, since it is larger than the sum of its proper divisors (86522695).

232220345 is a wasteful number, since it uses less digits than its factorization.

232220345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624.

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

The square root of 232220345 is about 15238.7776740787. Note that the first 3 decimals coincide. The cubic root of 232220345 is about 614.6578350923.

Adding to 232220345 its reverse (543022232), we get a palindrome (775242577).

The spelling of 232220345 in words is "two hundred thirty-two million, two hundred twenty thousand, three hundred forty-five".