533455221 has 16 divisors (see below), whose sum is σ = 769374144. Its totient is φ = 326828544.

The previous prime is 533455211. The next prime is 533455243. The reversal of 533455221 is 122554335.

It is not a de Polignac number, because 533455221 - 2¹⁴ = 533438837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533455201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21276 + ... + 38981.

It is an arithmetic number, because the mean of its divisors is an integer number (48085884).

Almost surely, 2^533455221 is an apocalyptic number.

It is an amenable number.

533455221 is a deficient number, since it is larger than the sum of its proper divisors (235918923).

533455221 is a wasteful number, since it uses less digits than its factorization.

533455221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60500.

The product of its digits is 18000, while the sum is 30.

The square root of 533455221 is about 23096.6495622201. The cubic root of 533455221 is about 811.0220401549.

The spelling of 533455221 in words is "five hundred thirty-three million, four hundred fifty-five thousand, two hundred twenty-one".