565221142 has 8 divisors (see below), whose sum is σ = 858564000. Its totient is φ = 279033144.

The previous prime is 565221133. The next prime is 565221157. The reversal of 565221142 is 241122565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 565221142.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1788517 + ... + 1788832.

It is an arithmetic number, because the mean of its divisors is an integer number (107320500).

Almost surely, 2^565221142 is an apocalyptic number.

565221142 is a deficient number, since it is larger than the sum of its proper divisors (293342858).

565221142 is a wasteful number, since it uses less digits than its factorization.

565221142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577430.

The product of its digits is 4800, while the sum is 28.

The square root of 565221142 is about 23774.3799498536. The cubic root of 565221142 is about 826.8107845409.

The spelling of 565221142 in words is "five hundred sixty-five million, two hundred twenty-one thousand, one hundred forty-two".