232404334322221 has 4 divisors (see below), whose sum is σ = 232418461402944. Its totient is φ = 232390207241500.

The previous prime is 232404334322207. The next prime is 232404334322227. The reversal of 232404334322221 is 122223433404232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232404334322221 - 2¹⁷ = 232404334191149 is a prime.

It is a super-2 number, since 2×232404334322221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232404334322227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7063515685 + ... + 7063548586.

It is an arithmetic number, because the mean of its divisors is an integer number (58104615350736).

Almost surely, 2^{232404334322221} is an apocalyptic number.

It is an amenable number.

232404334322221 is a deficient number, since it is larger than the sum of its proper divisors (14127080723).

232404334322221 is a wasteful number, since it uses less digits than its factorization.

232404334322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127080722.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 232404334322221 its reverse (122223433404232), we get a palindrome (354627767726453).

The spelling of 232404334322221 in words is "two hundred thirty-two trillion, four hundred four billion, three hundred thirty-four million, three hundred twenty-two thousand, two hundred twenty-one".