42881122 has 8 divisors (see below), whose sum is σ = 66396672. Its totient is φ = 20748900.

The previous prime is 42881101. The next prime is 42881159. The reversal of 42881122 is 22118824.

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

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, 345754 + ... + 345877.

It is an arithmetic number, because the mean of its divisors is an integer number (8299584).

Almost surely, 2^42881122 is an apocalyptic number.

42881122 is a deficient number, since it is larger than the sum of its proper divisors (23515550).

42881122 is a wasteful number, since it uses less digits than its factorization.

42881122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691664.

The product of its digits is 2048, while the sum is 28.

The square root of 42881122 is about 6548.3678882604. The cubic root of 42881122 is about 350.0166577106.

Adding to 42881122 its reverse (22118824), we get a palindrome (64999946).

The spelling of 42881122 in words is "forty-two million, eight hundred eighty-one thousand, one hundred twenty-two".