564138622 has 16 divisors (see below), whose sum is σ = 855953280. Its totient is φ = 278830872.

The previous prime is 564138613. The next prime is 564138647. The reversal of 564138622 is 226831465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130329 + ... + 134587.

It is an arithmetic number, because the mean of its divisors is an integer number (53497080).

Almost surely, 2^564138622 is an apocalyptic number.

564138622 is a deficient number, since it is larger than the sum of its proper divisors (291814658).

564138622 is a wasteful number, since it uses less digits than its factorization.

564138622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007.

The product of its digits is 69120, while the sum is 37.

The square root of 564138622 is about 23751.6025143568. The cubic root of 564138622 is about 826.2826070718.

The spelling of 564138622 in words is "five hundred sixty-four million, one hundred thirty-eight thousand, six hundred twenty-two".