433422021 has 8 divisors (see below), whose sum is σ = 611889984. Its totient is φ = 271951040.

The previous prime is 433421981. The next prime is 433422037. The reversal of 433422021 is 120224334.

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

It is not a de Polignac number, because 433422021 - 2¹⁸ = 433159877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433422061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4249185 + ... + 4249286.

It is an arithmetic number, because the mean of its divisors is an integer number (76486248).

Almost surely, 2^433422021 is an apocalyptic number.

It is an amenable number.

433422021 is a deficient number, since it is larger than the sum of its proper divisors (178467963).

433422021 is a wasteful number, since it uses less digits than its factorization.

433422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8498491.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 433422021 is about 20818.7900945276. The cubic root of 433422021 is about 756.7811817557.

Adding to 433422021 its reverse (120224334), we get a palindrome (553646355).

The spelling of 433422021 in words is "four hundred thirty-three million, four hundred twenty-two thousand, twenty-one".