232221534331445 has 8 divisors (see below), whose sum is σ = 278666279188440. Its totient is φ = 185776935471360.

The previous prime is 232221534331403. The next prime is 232221534331483. The reversal of 232221534331445 is 544133435122232.

It can be written as a sum of positive squares in 4 ways, for example, as 53332888825969 + 178888645505476 = 7302937^2 + 13374926^2 .

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

It is not a de Polignac number, because 232221534331445 - 2²² = 232221530137141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232221534331396 and 232221534331405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32968880 + ... + 39387689.

It is an arithmetic number, because the mean of its divisors is an integer number (34833284898555).

Almost surely, 2^{232221534331445} is an apocalyptic number.

It is an amenable number.

232221534331445 is a deficient number, since it is larger than the sum of its proper divisors (46444744856995).

232221534331445 is an equidigital number, since it uses as much as digits as its factorization.

232221534331445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72998455.

The product of its digits is 2073600, while the sum is 44.

Adding to 232221534331445 its reverse (544133435122232), we get a palindrome (776354969453677).

The spelling of 232221534331445 in words is "two hundred thirty-two trillion, two hundred twenty-one billion, five hundred thirty-four million, three hundred thirty-one thousand, four hundred forty-five".