42227136 has 112 divisors (see below), whose sum is σ = 141914880. Its totient is φ = 12061440.

The previous prime is 42227123. The next prime is 42227137. The reversal of 42227136 is 63172224.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42227137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10351 + ... + 13841.

Almost surely, 2^42227136 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 42227136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70957440).

42227136 is an abundant number, since it is smaller than the sum of its proper divisors (99687744).

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

42227136 is a wasteful number, since it uses less digits than its factorization.

42227136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519 (or 3503 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 42227136 is about 6498.2409927610. The cubic root of 42227136 is about 348.2281500346.

The spelling of 42227136 in words is "forty-two million, two hundred twenty-seven thousand, one hundred thirty-six".