42244412 has 12 divisors (see below), whose sum is σ = 84488880. Its totient is φ = 18104736.

The previous prime is 42244393. The next prime is 42244421. The reversal of 42244412 is 21444224.

42244412 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

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 in 3 ways as a sum of consecutive naturals, for example, 754337 + ... + 754392.

It is an arithmetic number, because the mean of its divisors is an integer number (7040740).

Almost surely, 2^42244412 is an apocalyptic number.

It is an amenable number.

42244412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42244412 is a wasteful number, since it uses less digits than its factorization.

42244412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508740 (or 1508738 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 42244412 is about 6499.5701396323. The cubic root of 42244412 is about 348.2756326872.

Adding to 42244412 its reverse (21444224), we get a palindrome (63688636).

The spelling of 42244412 in words is "forty-two million, two hundred forty-four thousand, four hundred twelve".