422754823 has 2 divisors, whose sum is σ = 422754824. Its totient is φ = 422754822.

The previous prime is 422754821. The next prime is 422754841. The reversal of 422754823 is 328457224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422754823 - 2¹ = 422754821 is a prime.

It is a super-2 number, since 2×422754823² = 357443280739522658, which contains 22 as substring.

Together with 422754821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422754821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211377411 + 211377412.

It is an arithmetic number, because the mean of its divisors is an integer number (211377412).

Almost surely, 2^422754823 is an apocalyptic number.

422754823 is a deficient number, since it is larger than the sum of its proper divisors (1).

422754823 is an equidigital number, since it uses as much as digits as its factorization.

422754823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 37.

The square root of 422754823 is about 20561.0024804240. The cubic root of 422754823 is about 750.5210145672.

The spelling of 422754823 in words is "four hundred twenty-two million, seven hundred fifty-four thousand, eight hundred twenty-three".