42227500 has 120 divisors (see below), whose sum is σ = 111964160. Its totient is φ = 13608000.

The previous prime is 42227489. The next prime is 42227527. The reversal of 42227500 is 572224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 332437 + ... + 332563.

Almost surely, 2^42227500 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 42227500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55982080).

42227500 is an abundant number, since it is smaller than the sum of its proper divisors (69736660).

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

42227500 is a wasteful number, since it uses less digits than its factorization.

42227500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 42227500 is about 6498.2690002800. The cubic root of 42227500 is about 348.2291506130.

Adding to 42227500 its reverse (572224), we get a palindrome (42799724).

The spelling of 42227500 in words is "forty-two million, two hundred twenty-seven thousand, five hundred".