233530222 has 4 divisors (see below), whose sum is σ = 350295336. Its totient is φ = 116765110.

The previous prime is 233530217. The next prime is 233530229. The reversal of 233530222 is 222035332.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 233530193 and 233530202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233530229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58382554 + ... + 58382557.

It is an arithmetic number, because the mean of its divisors is an integer number (87573834).

Almost surely, 2^233530222 is an apocalyptic number.

233530222 is a deficient number, since it is larger than the sum of its proper divisors (116765114).

233530222 is a wasteful number, since it uses less digits than its factorization.

233530222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116765113.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 233530222 is about 15281.6956519884. The cubic root of 233530222 is about 615.8113617448.

Adding to 233530222 its reverse (222035332), we get a palindrome (455565554).

The spelling of 233530222 in words is "two hundred thirty-three million, five hundred thirty thousand, two hundred twenty-two".