42422000 has 40 divisors (see below), whose sum is σ = 102581232. Its totient is φ = 16968000.

The previous prime is 42421991. The next prime is 42422011. The reversal of 42422000 is 22424.

It is a happy number.

42422000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8606 + ... + 12605.

Almost surely, 2^42422000 is an apocalyptic number.

42422000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42422000 is an abundant number, since it is smaller than the sum of its proper divisors (60159232).

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

42422000 is a wasteful number, since it uses less digits than its factorization.

42422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21234 (or 21218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 42422000 is about 6513.2173309356. The cubic root of 42422000 is about 348.7629800370.

Adding to 42422000 its reverse (22424), we get a palindrome (42444424).

The spelling of 42422000 in words is "forty-two million, four hundred twenty-two thousand".