422142102 has 48 divisors (see below), whose sum is σ = 942077760. Its totient is φ = 136615248.

The previous prime is 422142059. The next prime is 422142103. The reversal of 422142102 is 201241224.

422142102 is a `hidden beast` number, since 422 + 142 + 102 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422142103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 911523 + ... + 911985.

It is an arithmetic number, because the mean of its divisors is an integer number (19626620).

Almost surely, 2^422142102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422142102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471038880).

422142102 is an abundant number, since it is smaller than the sum of its proper divisors (519935658).

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

422142102 is an equidigital number, since it uses as much as digits as its factorization.

422142102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 422142102 is about 20546.0970016205. The cubic root of 422142102 is about 750.1582492739.

Adding to 422142102 its reverse (201241224), we get a palindrome (623383326).

The spelling of 422142102 in words is "four hundred twenty-two million, one hundred forty-two thousand, one hundred two".