422013632164 has 6 divisors (see below), whose sum is σ = 738523856294. Its totient is φ = 211006816080.

The previous prime is 422013632149. The next prime is 422013632171. The reversal of 422013632164 is 461236310224.

It can be written as a sum of positive squares in only one way, i.e., 315742848100 + 106270784064 = 561910^2 + 325992^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52751704017 + ... + 52751704024.

Almost surely, 2^422013632164 is an apocalyptic number.

It is an amenable number.

422013632164 is a deficient number, since it is larger than the sum of its proper divisors (316510224130).

422013632164 is a wasteful number, since it uses less digits than its factorization.

422013632164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105503408045 (or 105503408043 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 422013632164 its reverse (461236310224), we get a palindrome (883249942388).

The spelling of 422013632164 in words is "four hundred twenty-two billion, thirteen million, six hundred thirty-two thousand, one hundred sixty-four".