422142130 has 32 divisors (see below), whose sum is σ = 813622320. Its totient is φ = 157132800.

The previous prime is 422142121. The next prime is 422142131. The reversal of 422142130 is 31241224.

It can be written as a sum of positive squares in 8 ways, for example, as 272349009 + 149793121 = 16503^2 + 12239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422142098 and 422142107.

It is not an unprimeable number, because it can be changed into a prime (422142131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180 + ... + 29080.

Almost surely, 2^422142130 is an apocalyptic number.

422142130 is a deficient number, since it is larger than the sum of its proper divisors (391480190).

422142130 is a wasteful number, since it uses less digits than its factorization.

422142130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28014.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 422142130 is about 20546.0976830151. The cubic root of 422142130 is about 750.1582658595.

Adding to 422142130 its reverse (31241224), we get a palindrome (453383354).

It can be divided in two parts, 42214 and 2130, that added together give a palindrome (44344).

The spelling of 422142130 in words is "four hundred twenty-two million, one hundred forty-two thousand, one hundred thirty".