233220412 has 6 divisors (see below), whose sum is σ = 408135728. Its totient is φ = 116610204.

The previous prime is 233220371. The next prime is 233220419. The reversal of 233220412 is 214022332.

It is a self number, because there is not a number n which added to its sum of digits gives 233220412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233220419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29152548 + ... + 29152555.

Almost surely, 2^233220412 is an apocalyptic number.

It is an amenable number.

233220412 is a deficient number, since it is larger than the sum of its proper divisors (174915316).

233220412 is a wasteful number, since it uses less digits than its factorization.

233220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58305107 (or 58305105 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 233220412 is about 15271.5556509479. Note that the first 3 decimals coincide. The cubic root of 233220412 is about 615.5389217070.

Adding to 233220412 its reverse (214022332), we get a palindrome (447242744).

The spelling of 233220412 in words is "two hundred thirty-three million, two hundred twenty thousand, four hundred twelve".