233221030 has 32 divisors (see below), whose sum is σ = 480308544. Its totient is φ = 79871616.

The previous prime is 233220979. The next prime is 233221031. The reversal of 233221030 is 30122332.

It is a junction number, because it is equal to n+sod(n) for n = 233220995 and 233221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233221031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100564 + ... + 102856.

It is an arithmetic number, because the mean of its divisors is an integer number (15009642).

Almost surely, 2^233221030 is an apocalyptic number.

233221030 is an abundant number, since it is smaller than the sum of its proper divisors (247087514).

233221030 is a wasteful number, since it uses less digits than its factorization.

233221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 233221030 is about 15271.5758846296. The cubic root of 233221030 is about 615.5394654026.

Adding to 233221030 its reverse (30122332), we get a palindrome (263343362).

The spelling of 233221030 in words is "two hundred thirty-three million, two hundred twenty-one thousand, thirty".