42055422 has 16 divisors (see below), whose sum is σ = 86162832. Its totient is φ = 13676480.

The previous prime is 42055411. The next prime is 42055451. The reversal of 42055422 is 22455024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42055392 and 42055401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85233 + ... + 85724.

It is an arithmetic number, because the mean of its divisors is an integer number (5385177).

Almost surely, 2^42055422 is an apocalyptic number.

42055422 is an abundant number, since it is smaller than the sum of its proper divisors (44107410).

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

42055422 is a wasteful number, since it uses less digits than its factorization.

42055422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171003.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 42055422 is about 6485.0151888797. The cubic root of 42055422 is about 347.7554928006.

The spelling of 42055422 in words is "forty-two million, fifty-five thousand, four hundred twenty-two".