533957221 has 8 divisors (see below), whose sum is σ = 612975104. Its totient is φ = 455623920.

The previous prime is 533957201. The next prime is 533957243. The reversal of 533957221 is 122759335.

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

It is a cyclic number.

It is not a de Polignac number, because 533957221 - 2⁵ = 533957189 is a prime.

It is a super-2 number, since 2×533957221² = 570220627716085682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533957201) 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 7 ways as a sum of consecutive naturals, for example, 169470 + ... + 172591.

It is an arithmetic number, because the mean of its divisors is an integer number (76621888).

Almost surely, 2^533957221 is an apocalyptic number.

It is an amenable number.

533957221 is a deficient number, since it is larger than the sum of its proper divisors (79017883).

533957221 is a wasteful number, since it uses less digits than its factorization.

533957221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342291.

The product of its digits is 56700, while the sum is 37.

The square root of 533957221 is about 23107.5143838536. The cubic root of 533957221 is about 811.2763604215.

The spelling of 533957221 in words is "five hundred thirty-three million, nine hundred fifty-seven thousand, two hundred twenty-one".