42223500 has 144 divisors (see below), whose sum is σ = 145480608. Its totient is φ = 10224000.

The previous prime is 42223429. The next prime is 42223513. The reversal of 42223500 is 532224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49074 + ... + 49926.

It is an arithmetic number, because the mean of its divisors is an integer number (1010282).

Almost surely, 2^42223500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42223500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72740304).

42223500 is an abundant number, since it is smaller than the sum of its proper divisors (103257108).

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

42223500 is a wasteful number, since it uses less digits than its factorization.

42223500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 42223500 is about 6497.9612187208. The cubic root of 42223500 is about 348.2181549302.

Adding to 42223500 its reverse (532224), we get a palindrome (42755724).

The spelling of 42223500 in words is "forty-two million, two hundred twenty-three thousand, five hundred".