42229020 has 96 divisors (see below), whose sum is σ = 131846400. Its totient is φ = 10036224.

The previous prime is 42228997. The next prime is 42229051. The reversal of 42229020 is 2092224.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 18291 + ... + 20469.

It is an arithmetic number, because the mean of its divisors is an integer number (1373400).

Almost surely, 2^42229020 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 42229020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65923200).

42229020 is an abundant number, since it is smaller than the sum of its proper divisors (89617380).

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

42229020 is a wasteful number, since it uses less digits than its factorization.

42229020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 42229020 is about 6498.3859534503. The cubic root of 42229020 is about 348.2333287904.

The spelling of 42229020 in words is "forty-two million, two hundred twenty-nine thousand, twenty".