42265422 has 32 divisors (see below), whose sum is σ = 94903200. Its totient is φ = 13941504.

The previous prime is 42265403. The next prime is 42265427. The reversal of 42265422 is 22456224.

It is a happy number.

42265422 is a `hidden beast` number, since 4 + 2 + 2 + 654 + 2 + 2 = 666.

42265422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42265427) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1204 + ... + 9272.

It is an arithmetic number, because the mean of its divisors is an integer number (2965725).

Almost surely, 2^42265422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42265422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47451600).

42265422 is an abundant number, since it is smaller than the sum of its proper divisors (52637778).

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

42265422 is a wasteful number, since it uses less digits than its factorization.

42265422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8177 (or 8171 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 42265422 is about 6501.1861994562. The cubic root of 42265422 is about 348.3333607035. Note that the first 4 decimals are identical.

The spelling of 42265422 in words is "forty-two million, two hundred sixty-five thousand, four hundred twenty-two".