42230118 has 32 divisors (see below), whose sum is σ = 97438464. Its totient is φ = 11951712.

The previous prime is 42230107. The next prime is 42230131. The reversal of 42230118 is 81103224.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42230094 and 42230103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205 + ... + 9192.

It is an arithmetic number, because the mean of its divisors is an integer number (3044952).

Almost surely, 2^42230118 is an apocalyptic number.

42230118 is an abundant number, since it is smaller than the sum of its proper divisors (55208346).

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

42230118 is a wasteful number, since it uses less digits than its factorization.

42230118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9516.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 42230118 is about 6498.4704354179. The cubic root of 42230118 is about 348.2363469115.

The spelling of 42230118 in words is "forty-two million, two hundred thirty thousand, one hundred eighteen".