42442246 has 16 divisors (see below), whose sum is σ = 79372800. Its totient is φ = 16535880.

The previous prime is 42442237. The next prime is 42442259. The reversal of 42442246 is 64224424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137646 + ... + 137953.

It is an arithmetic number, because the mean of its divisors is an integer number (4960800).

Almost surely, 2^42442246 is an apocalyptic number.

42442246 is a deficient number, since it is larger than the sum of its proper divisors (36930554).

42442246 is a wasteful number, since it uses less digits than its factorization.

42442246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275619.

The product of its digits is 12288, while the sum is 28.

The square root of 42442246 is about 6514.7713697412. The cubic root of 42442246 is about 348.8184538658.

The spelling of 42442246 in words is "forty-two million, four hundred forty-two thousand, two hundred forty-six".