422929854 has 48 divisors (see below), whose sum is σ = 987043200. Its totient is φ = 130446288.

The previous prime is 422929853. The next prime is 422929867. The reversal of 422929854 is 458929224.

422929854 is a `hidden beast` number, since 422 + 92 + 98 + 54 = 666.

It is a super-2 number, since 2×422929854² = 357739322808922632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422929853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327 + ... + 29085.

It is an arithmetic number, because the mean of its divisors is an integer number (20563400).

Almost surely, 2^422929854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422929854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493521600).

422929854 is an abundant number, since it is smaller than the sum of its proper divisors (564113346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422929854 is a wasteful number, since it uses less digits than its factorization.

422929854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28829 (or 28826 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 422929854 is about 20565.2584228840. The cubic root of 422929854 is about 750.6245783914.

The spelling of 422929854 in words is "four hundred twenty-two million, nine hundred twenty-nine thousand, eight hundred fifty-four".