422568166789 has 8 divisors (see below), whose sum is σ = 447137441280. Its totient is φ = 398231776800.

The previous prime is 422568166759. The next prime is 422568166819. The reversal of 422568166789 is 987661865224.

It is an interprime number because it is at equal distance from previous prime (422568166759) and next prime (422568166819).

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

It is not a de Polignac number, because 422568166789 - 2⁷ = 422568166661 is a prime.

It is a super-2 number, since 2×422568166789² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422568166789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422568166739) 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, 58217392 + ... + 58224649.

It is an arithmetic number, because the mean of its divisors is an integer number (55892180160).

Almost surely, 2^422568166789 is an apocalyptic number.

It is an amenable number.

422568166789 is a deficient number, since it is larger than the sum of its proper divisors (24569274491).

422568166789 is a wasteful number, since it uses less digits than its factorization.

422568166789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116442251.

The product of its digits is 69672960, while the sum is 64.

The spelling of 422568166789 in words is "four hundred twenty-two billion, five hundred sixty-eight million, one hundred sixty-six thousand, seven hundred eighty-nine".