233221441 has 2 divisors, whose sum is σ = 233221442. Its totient is φ = 233221440.

The previous prime is 233221411. The next prime is 233221493. The reversal of 233221441 is 144122332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213160000 + 20061441 = 14600^2 + 4479^2 .

It is a cyclic number.

It is not a de Polignac number, because 233221441 - 2¹³ = 233213249 is a prime.

It is not a weakly prime, because it can be changed into another prime (233221411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116610720 + 116610721.

It is an arithmetic number, because the mean of its divisors is an integer number (116610721).

Almost surely, 2^233221441 is an apocalyptic number.

It is an amenable number.

233221441 is a deficient number, since it is larger than the sum of its proper divisors (1).

233221441 is an equidigital number, since it uses as much as digits as its factorization.

233221441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 233221441 is about 15271.5893409953. The cubic root of 233221441 is about 615.5398269860.

Adding to 233221441 its reverse (144122332), we get a palindrome (377343773).

The spelling of 233221441 in words is "two hundred thirty-three million, two hundred twenty-one thousand, four hundred forty-one".