233221434 has 32 divisors (see below), whose sum is σ = 480295680. Its totient is φ = 75442752.

The previous prime is 233221411. The next prime is 233221441. The reversal of 233221434 is 434122332.

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 15 ways as a sum of consecutive naturals, for example, 101652 + ... + 103920.

It is an arithmetic number, because the mean of its divisors is an integer number (15009240).

Almost surely, 2^233221434 is an apocalyptic number.

233221434 is an abundant number, since it is smaller than the sum of its proper divisors (247074246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233221434 is a wasteful number, since it uses less digits than its factorization.

233221434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774.

The product of its digits is 3456, while the sum is 24.

The square root of 233221434 is about 15271.5891118115. The cubic root of 233221434 is about 615.5398208277.

Adding to 233221434 its reverse (434122332), we get a palindrome (667343766).

The spelling of 233221434 in words is "two hundred thirty-three million, two hundred twenty-one thousand, four hundred thirty-four".