42243112 has 16 divisors (see below), whose sum is σ = 80023860. Its totient is φ = 20903424.

The previous prime is 42243109. The next prime is 42243143. The reversal of 42243112 is 21134224.

It can be written as a sum of positive squares in 2 ways, for example, as 39765636 + 2477476 = 6306^2 + 1574^2 .

It is a super-2 number, since 2×42243112² = 3568961022889088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42243112.

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, 26443 + ... + 27994.

Almost surely, 2^42243112 is an apocalyptic number.

It is an amenable number.

42243112 is a deficient number, since it is larger than the sum of its proper divisors (37780748).

42243112 is a wasteful number, since it uses less digits than its factorization.

42243112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54540 (or 54536 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 42243112 is about 6499.4701322492. The cubic root of 42243112 is about 348.2720601203.

Adding to 42243112 its reverse (21134224), we get a palindrome (63377336).

It can be divided in two parts, 422 and 43112, that added together give a palindrome (43534).

The spelling of 42243112 in words is "forty-two million, two hundred forty-three thousand, one hundred twelve".