533221345 has 8 divisors (see below), whose sum is σ = 653480064. Its totient is φ = 417500784.

The previous prime is 533221333. The next prime is 533221357. The reversal of 533221345 is 543122335.

It is an interprime number because it is at equal distance from previous prime (533221333) and next prime (533221357).

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 533221345 - 2⁷ = 533221217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1134279 + ... + 1134748.

It is an arithmetic number, because the mean of its divisors is an integer number (81685008).

Almost surely, 2^533221345 is an apocalyptic number.

It is an amenable number.

533221345 is a deficient number, since it is larger than the sum of its proper divisors (120258719).

533221345 is a wasteful number, since it uses less digits than its factorization.

533221345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269079.

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

The square root of 533221345 is about 23091.5860217526. The cubic root of 533221345 is about 810.9035007977.

The spelling of 533221345 in words is "five hundred thirty-three million, two hundred twenty-one thousand, three hundred forty-five".