422919369581 has 8 divisors (see below), whose sum is σ = 427797106560. Its totient is φ = 418044429088.

The previous prime is 422919369563. The next prime is 422919369623. The reversal of 422919369581 is 185963919224.

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 422919369581 - 2³⁸ = 148041462637 is a prime.

It is a super-2 number, since 2×422919369581² (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 422919369581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422919309581) 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, 394151 + ... + 1000596.

It is an arithmetic number, because the mean of its divisors is an integer number (53474638320).

Almost surely, 2^422919369581 is an apocalyptic number.

It is an amenable number.

422919369581 is a deficient number, since it is larger than the sum of its proper divisors (4877736979).

422919369581 is a wasteful number, since it uses less digits than its factorization.

422919369581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398243.

The product of its digits is 8398080, while the sum is 59.

The spelling of 422919369581 in words is "four hundred twenty-two billion, nine hundred nineteen million, three hundred sixty-nine thousand, five hundred eighty-one".