422026611565 has 12 divisors (see below), whose sum is σ = 548384876244. Its totient is φ = 311650420224.

The previous prime is 422026611541. The next prime is 422026611571. The reversal of 422026611565 is 565116620224.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 43705665481 + 378320946084 = 209059^2 + 615078^2 .

It is not a de Polignac number, because 422026611565 - 2⁹ = 422026611053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249719044 + ... + 249720733.

It is an arithmetic number, because the mean of its divisors is an integer number (45698739687).

Almost surely, 2^422026611565 is an apocalyptic number.

It is an amenable number.

422026611565 is a deficient number, since it is larger than the sum of its proper divisors (126358264679).

422026611565 is a wasteful number, since it uses less digits than its factorization.

422026611565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499439808 (or 499439795 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 422026611565 in words is "four hundred twenty-two billion, twenty-six million, six hundred eleven thousand, five hundred sixty-five".