422381028 has 24 divisors (see below), whose sum is σ = 992174400. Its totient is φ = 139848160.

The previous prime is 422381023. The next prime is 422381033. The reversal of 422381028 is 820183224.

It is an interprime number because it is at equal distance from previous prime (422381023) and next prime (422381033).

It is a junction number, because it is equal to n+sod(n) for n = 422380986 and 422381004.

It is not an unprimeable number, because it can be changed into a prime (422381021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116328 + ... + 119903.

It is an arithmetic number, because the mean of its divisors is an integer number (41340600).

Almost surely, 2^422381028 is an apocalyptic number.

It is an amenable number.

422381028 is an abundant number, since it is smaller than the sum of its proper divisors (569793372).

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

422381028 is a wasteful number, since it uses less digits than its factorization.

422381028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236387 (or 236385 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 422381028 is about 20551.9105681199. The cubic root of 422381028 is about 750.2997486295.

The spelling of 422381028 in words is "four hundred twenty-two million, three hundred eighty-one thousand, twenty-eight".