422142030 has 112 divisors (see below), whose sum is σ = 1155257280. Its totient is φ = 110994624.

The previous prime is 422141999. The next prime is 422142037. The reversal of 422142030 is 30241224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422141994 and 422142012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422142037) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 575544 + ... + 576276.

Almost surely, 2^422142030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422142030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577628640).

422142030 is an abundant number, since it is smaller than the sum of its proper divisors (733115250).

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

422142030 is an equidigital number, since it uses as much as digits as its factorization.

422142030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 422142030 is about 20546.0952494629. The cubic root of 422142030 is about 750.1582066252.

Adding to 422142030 its reverse (30241224), we get a palindrome (452383254).

It can be divided in two parts, 42214 and 2030, that added together give a palindrome (44244).

The spelling of 422142030 in words is "four hundred twenty-two million, one hundred forty-two thousand, thirty".