233402022231421 has 8 divisors (see below), whose sum is σ = 235468459728504. Its totient is φ = 231335601100800.

The previous prime is 233402022231401. The next prime is 233402022231439. The reversal of 233402022231421 is 124132220204332.

It can be written as a sum of positive squares in 4 ways, for example, as 3990861225796 + 229411161005625 = 1997714^2 + 15146325^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 233402022231421 - 2⁷ = 233402022231293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233402022231401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25499821 + ... + 33422221.

It is an arithmetic number, because the mean of its divisors is an integer number (29433557466063).

Almost surely, 2^{233402022231421} is an apocalyptic number.

It is an amenable number.

233402022231421 is a deficient number, since it is larger than the sum of its proper divisors (2066437497083).

233402022231421 is a wasteful number, since it uses less digits than its factorization.

233402022231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8183231.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 233402022231421 its reverse (124132220204332), we get a palindrome (357534242435753).

The spelling of 233402022231421 in words is "two hundred thirty-three trillion, four hundred two billion, twenty-two million, two hundred thirty-one thousand, four hundred twenty-one".