42655122 has 24 divisors (see below), whose sum is σ = 93287376. Its totient is φ = 14084856.

The previous prime is 42655121. The next prime is 42655147. The reversal of 42655122 is 22155624.

42655122 is a `hidden beast` number, since 4 + 2 + 655 + 1 + 2 + 2 = 666.

42655122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42655121) 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 11 ways as a sum of consecutive naturals, for example, 9148 + ... + 12999.

It is an arithmetic number, because the mean of its divisors is an integer number (3886974).

Almost surely, 2^42655122 is an apocalyptic number.

42655122 is an abundant number, since it is smaller than the sum of its proper divisors (50632254).

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

42655122 is a wasteful number, since it uses less digits than its factorization.

42655122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22262 (or 22259 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 42655122 is about 6531.0888831802. The cubic root of 42655122 is about 349.4006668163.

The spelling of 42655122 in words is "forty-two million, six hundred fifty-five thousand, one hundred twenty-two".