533402221 has 4 divisors (see below), whose sum is σ = 581893344. Its totient is φ = 484911100.

The previous prime is 533402203. The next prime is 533402227. The reversal of 533402221 is 122204335.

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 533402221 - 2¹¹ = 533400173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 533402192 and 533402201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533402227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24245545 + ... + 24245566.

It is an arithmetic number, because the mean of its divisors is an integer number (145473336).

Almost surely, 2^533402221 is an apocalyptic number.

It is an amenable number.

533402221 is a deficient number, since it is larger than the sum of its proper divisors (48491123).

533402221 is a wasteful number, since it uses less digits than its factorization.

533402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48491122.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 533402221 is about 23095.5021811607. The cubic root of 533402221 is about 810.9951802986.

Adding to 533402221 its reverse (122204335), we get a palindrome (655606556).

The spelling of 533402221 in words is "five hundred thirty-three million, four hundred two thousand, two hundred twenty-one".