42855622 has 8 divisors (see below), whose sum is σ = 64907856. Its totient is φ = 21219672.

The previous prime is 42855581. The next prime is 42855661. The reversal of 42855622 is 22655824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103813 + ... + 104224.

It is an arithmetic number, because the mean of its divisors is an integer number (8113482).

Almost surely, 2^42855622 is an apocalyptic number.

42855622 is a deficient number, since it is larger than the sum of its proper divisors (22052234).

42855622 is a wasteful number, since it uses less digits than its factorization.

42855622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208142.

The product of its digits is 38400, while the sum is 34.

The square root of 42855622 is about 6546.4205486663. The cubic root of 42855622 is about 349.9472628024.

The spelling of 42855622 in words is "forty-two million, eight hundred fifty-five thousand, six hundred twenty-two".