42225112 has 8 divisors (see below), whose sum is σ = 79172100. Its totient is φ = 21112552.

The previous prime is 42225107. The next prime is 42225133. The reversal of 42225112 is 21152224.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42225112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639062 + ... + 2639077.

Almost surely, 2^42225112 is an apocalyptic number.

It is an amenable number.

42225112 is a deficient number, since it is larger than the sum of its proper divisors (36946988).

42225112 is a wasteful number, since it uses less digits than its factorization.

42225112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278145 (or 5278141 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 42225112 is about 6498.0852564429. The cubic root of 42225112 is about 348.2225862739. Note that the first 3 decimals are identical.

Adding to 42225112 its reverse (21152224), we get a palindrome (63377336).

The spelling of 42225112 in words is "forty-two million, two hundred twenty-five thousand, one hundred twelve".