422992843641 has 27 divisors (see below), whose sum is σ = 613630498117. Its totient is φ = 280781621880.

The previous prime is 422992843633. The next prime is 422992843667. The reversal of 422992843641 is 146348299224.

The square root of 422992843641 is 650379.

It is a perfect power (a square), and thus also a powerful number.

422992843641 is a `hidden beast` number, since 4 + 2 + 299 + 284 + 36 + 41 = 666.

It is not a de Polignac number, because 422992843641 - 2³ = 422992843633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422992843601) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 840939796 + ... + 840940298.

Almost surely, 2^422992843641 is an apocalyptic number.

422992843641 is the 650379-th square number.

422992843641 is the 325190-th centered octagonal number.

It is an amenable number.

422992843641 is a deficient number, since it is larger than the sum of its proper divisors (190637654476).

422992843641 is an frugal number, since it uses more digits than its factorization.

422992843641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 937 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 422992843641 in words is "four hundred twenty-two billion, nine hundred ninety-two million, eight hundred forty-three thousand, six hundred forty-one".