42205112 has 8 divisors (see below), whose sum is σ = 79134600. Its totient is φ = 21102552.

The previous prime is 42205103. The next prime is 42205129. The reversal of 42205112 is 21150224.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2637812 + ... + 2637827.

It is an arithmetic number, because the mean of its divisors is an integer number (9891825).

Almost surely, 2^42205112 is an apocalyptic number.

It is an amenable number.

42205112 is a deficient number, since it is larger than the sum of its proper divisors (36929488).

42205112 is a wasteful number, since it uses less digits than its factorization.

42205112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275645 (or 5275641 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42205112 is about 6496.5461593065. The cubic root of 42205112 is about 348.1675988406.

Adding to 42205112 its reverse (21150224), we get a palindrome (63355336).

The spelling of 42205112 in words is "forty-two million, two hundred five thousand, one hundred twelve".