233121022 has 4 divisors (see below), whose sum is σ = 349681536. Its totient is φ = 116560510.

The previous prime is 233121011. The next prime is 233121037. The reversal of 233121022 is 220121332.

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 = 233120987 and 233121005.

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 as a sum of consecutive naturals, namely, 58280254 + ... + 58280257.

It is an arithmetic number, because the mean of its divisors is an integer number (87420384).

Almost surely, 2^233121022 is an apocalyptic number.

233121022 is a deficient number, since it is larger than the sum of its proper divisors (116560514).

233121022 is a wasteful number, since it uses less digits than its factorization.

233121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116560513.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 233121022 is about 15268.3012152629. The cubic root of 233121022 is about 615.4514692329.

Adding to 233121022 its reverse (220121332), we get a palindrome (453242354).

The spelling of 233121022 in words is "two hundred thirty-three million, one hundred twenty-one thousand, twenty-two".