233021222 has 8 divisors (see below), whose sum is σ = 399464976. Its totient is φ = 99866232.

The previous prime is 233021207. The next prime is 233021273. The reversal of 233021222 is 222120332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 233021222.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8322173 + ... + 8322200.

It is an arithmetic number, because the mean of its divisors is an integer number (49933122).

Almost surely, 2^233021222 is an apocalyptic number.

233021222 is a deficient number, since it is larger than the sum of its proper divisors (166443754).

233021222 is a wasteful number, since it uses less digits than its factorization.

233021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16644382.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 233021222 is about 15265.0326563686. The cubic root of 233021222 is about 615.3636309888.

Adding to 233021222 its reverse (222120332), we get a palindrome (455141554).

The spelling of 233021222 in words is "two hundred thirty-three million, twenty-one thousand, two hundred twenty-two".