534335221 has 4 divisors (see below), whose sum is σ = 610668832. Its totient is φ = 458001612.

The previous prime is 534335201. The next prime is 534335231. The reversal of 534335221 is 122533435.

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 534335221 - 2⁹ = 534334709 is a prime.

It is a super-2 number, since 2×534335221² = 571028256802237682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 534335221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534335201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38166795 + ... + 38166808.

It is an arithmetic number, because the mean of its divisors is an integer number (152667208).

Almost surely, 2^534335221 is an apocalyptic number.

It is an amenable number.

534335221 is a deficient number, since it is larger than the sum of its proper divisors (76333611).

534335221 is an equidigital number, since it uses as much as digits as its factorization.

534335221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76333610.

The product of its digits is 10800, while the sum is 28.

The square root of 534335221 is about 23115.6920943328. The cubic root of 534335221 is about 811.4677553599.

Adding to 534335221 its reverse (122533435), we get a palindrome (656868656).

The spelling of 534335221 in words is "five hundred thirty-four million, three hundred thirty-five thousand, two hundred twenty-one".