564221707 has 8 divisors (see below), whose sum is σ = 648388832. Its totient is φ = 480945600.

The previous prime is 564221657. The next prime is 564221771. The reversal of 564221707 is 707122465.

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 564221707 - 2¹⁹ = 563697419 is a prime.

It is a super-2 number, since 2×564221707² = 636692269299987698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (564221507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221394 + ... + 223927.

It is an arithmetic number, because the mean of its divisors is an integer number (81048604).

Almost surely, 2^564221707 is an apocalyptic number.

564221707 is a deficient number, since it is larger than the sum of its proper divisors (84167125).

564221707 is a wasteful number, since it uses less digits than its factorization.

564221707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445509.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 564221707 is about 23753.3514898424. The cubic root of 564221707 is about 826.3231693956.

The spelling of 564221707 in words is "five hundred sixty-four million, two hundred twenty-one thousand, seven hundred seven".