42234164 has 24 divisors (see below), whose sum is σ = 88142208. Its totient is φ = 17313120.

The previous prime is 42234161. The next prime is 42234173. The reversal of 42234164 is 46143224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42234161) 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, 32147 + ... + 33434.

It is an arithmetic number, because the mean of its divisors is an integer number (3672592).

Almost surely, 2^42234164 is an apocalyptic number.

It is an amenable number.

42234164 is an abundant number, since it is smaller than the sum of its proper divisors (45908044).

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

42234164 is a wasteful number, since it uses less digits than its factorization.

42234164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65615 (or 65613 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 42234164 is about 6498.7817319864. The cubic root of 42234164 is about 348.2474678786.

Adding to 42234164 its reverse (46143224), we get a palindrome (88377388).

The spelling of 42234164 in words is "forty-two million, two hundred thirty-four thousand, one hundred sixty-four".