233220393 has 24 divisors (see below), whose sum is σ = 386126208. Its totient is φ = 132878592.

The previous prime is 233220371. The next prime is 233220419. The reversal of 233220393 is 393022332.

It is a happy number.

It is not a de Polignac number, because 233220393 - 2⁹ = 233219881 is a prime.

It is a super-2 number, since 2×233220393² = 108783503422148898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233220293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16996 + ... + 27482.

It is an arithmetic number, because the mean of its divisors is an integer number (16088592).

Almost surely, 2^233220393 is an apocalyptic number.

It is an amenable number.

233220393 is a deficient number, since it is larger than the sum of its proper divisors (152905815).

233220393 is a wasteful number, since it uses less digits than its factorization.

233220393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10853 (or 10850 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 233220393 is about 15271.5550288764. Note that the first 3 decimals coincide. The cubic root of 233220393 is about 615.5389049915.

The spelling of 233220393 in words is "two hundred thirty-three million, two hundred twenty thousand, three hundred ninety-three".