42865522 has 8 divisors (see below), whose sum is σ = 73483776. Its totient is φ = 18370932.

The previous prime is 42865513. The next prime is 42865531. The reversal of 42865522 is 22556824.

It is an interprime number because it is at equal distance from previous prime (42865513) and next prime (42865531).

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, 1530898 + ... + 1530925.

It is an arithmetic number, because the mean of its divisors is an integer number (9185472).

Almost surely, 2^42865522 is an apocalyptic number.

42865522 is a deficient number, since it is larger than the sum of its proper divisors (30618254).

42865522 is a wasteful number, since it uses less digits than its factorization.

42865522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061832.

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

The square root of 42865522 is about 6547.1766434090. The cubic root of 42865522 is about 349.9742076232.

The spelling of 42865522 in words is "forty-two million, eight hundred sixty-five thousand, five hundred twenty-two".