433041221 has 16 divisors (see below), whose sum is σ = 479727360. Its totient is φ = 389137920.

The previous prime is 433041209. The next prime is 433041227. The reversal of 433041221 is 122140334.

It is a cyclic number.

It is not a de Polignac number, because 433041221 - 2⁶ = 433041157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 433041193 and 433041202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433041227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26150 + ... + 39368.

It is an arithmetic number, because the mean of its divisors is an integer number (29982960).

Almost surely, 2^433041221 is an apocalyptic number.

433041221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

433041221 is a deficient number, since it is larger than the sum of its proper divisors (46686139).

433041221 is a wasteful number, since it uses less digits than its factorization.

433041221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13324.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 433041221 is about 20809.6425005333. The cubic root of 433041221 is about 756.5594835038.

Adding to 433041221 its reverse (122140334), we get a palindrome (555181555).

The spelling of 433041221 in words is "four hundred thirty-three million, forty-one thousand, two hundred twenty-one".