42889122 has 32 divisors (see below), whose sum is σ = 95880960. Its totient is φ = 14210640.

The previous prime is 42889117. The next prime is 42889129. The reversal of 42889122 is 22198824.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42889129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7047 + ... + 11637.

It is an arithmetic number, because the mean of its divisors is an integer number (2996280).

Almost surely, 2^42889122 is an apocalyptic number.

42889122 is an abundant number, since it is smaller than the sum of its proper divisors (52991838).

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

42889122 is a wasteful number, since it uses less digits than its factorization.

42889122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775 (or 4769 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 42889122 is about 6548.9786990034. The cubic root of 42889122 is about 350.0384229927.

The spelling of 42889122 in words is "forty-two million, eight hundred eighty-nine thousand, one hundred twenty-two".