42022260 has 96 divisors (see below), whose sum is σ = 149425920. Its totient is φ = 9604224.

The previous prime is 42022259. The next prime is 42022261. The reversal of 42022260 is 6222024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42022259) and next prime (42022261).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42022261) by changing a digit.

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, 1779 + ... + 9338.

It is an arithmetic number, because the mean of its divisors is an integer number (1556520).

Almost surely, 2^42022260 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 42022260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74712960).

42022260 is an abundant number, since it is smaller than the sum of its proper divisors (107403660).

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

42022260 is a wasteful number, since it uses less digits than its factorization.

42022260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142 (or 11134 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42022260 is about 6482.4578671982. The cubic root of 42022260 is about 347.6640634468.

Adding to 42022260 its reverse (6222024), we get a palindrome (48244284).

The spelling of 42022260 in words is "forty-two million, twenty-two thousand, two hundred sixty".