421422142234 has 16 divisors (see below), whose sum is σ = 641063361600. Its totient is φ = 207736794720.

The previous prime is 421422142133. The next prime is 421422142237. The reversal of 421422142234 is 432241224124.

It is a junction number, because it is equal to n+sod(n) for n = 421422142196 and 421422142205.

It is not an unprimeable number, because it can be changed into a prime (421422142237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262534 + ... + 954865.

It is an arithmetic number, because the mean of its divisors is an integer number (40066460100).

Almost surely, 2^421422142234 is an apocalyptic number.

421422142234 is a deficient number, since it is larger than the sum of its proper divisors (219641219366).

421422142234 is a wasteful number, since it uses less digits than its factorization.

421422142234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219845.

The product of its digits is 24576, while the sum is 31.

Adding to 421422142234 its reverse (432241224124), we get a palindrome (853663366358).

The spelling of 421422142234 in words is "four hundred twenty-one billion, four hundred twenty-two million, one hundred forty-two thousand, two hundred thirty-four".