233645422 has 4 divisors (see below), whose sum is σ = 350468136. Its totient is φ = 116822710.

The previous prime is 233645393. The next prime is 233645473. The reversal of 233645422 is 224546332.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 58411354 + ... + 58411357.

It is an arithmetic number, because the mean of its divisors is an integer number (87617034).

Almost surely, 2^233645422 is an apocalyptic number.

233645422 is a deficient number, since it is larger than the sum of its proper divisors (116822714).

233645422 is a wasteful number, since it uses less digits than its factorization.

233645422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116822713.

The product of its digits is 34560, while the sum is 31.

The square root of 233645422 is about 15285.4644024969. The cubic root of 233645422 is about 615.9126046109.

The spelling of 233645422 in words is "two hundred thirty-three million, six hundred forty-five thousand, four hundred twenty-two".