564674221 has 8 divisors (see below), whose sum is σ = 570182400. Its totient is φ = 559175232.

The previous prime is 564674183. The next prime is 564674233. The reversal of 564674221 is 122476465.

564674221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 564674221 - 2⁷ = 564674093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564674821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234180 + ... + 236578.

It is an arithmetic number, because the mean of its divisors is an integer number (71272800).

Almost surely, 2^564674221 is an apocalyptic number.

It is an amenable number.

564674221 is a deficient number, since it is larger than the sum of its proper divisors (5508179).

564674221 is a wasteful number, since it uses less digits than its factorization.

564674221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595.

The product of its digits is 80640, while the sum is 37.

The square root of 564674221 is about 23762.8748471223. The cubic root of 564674221 is about 826.5440180908.

The spelling of 564674221 in words is "five hundred sixty-four million, six hundred seventy-four thousand, two hundred twenty-one".