42244631 has 8 divisors (see below), whose sum is σ = 49630224. Its totient is φ = 35449920.

The previous prime is 42244627. The next prime is 42244633. The reversal of 42244631 is 13644224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42244631 - 2² = 42244627 is a prime.

It is a super-2 number, since 2×42244631² = 3569217696652322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42244631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244633) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 147566 + ... + 147851.

It is an arithmetic number, because the mean of its divisors is an integer number (6203778).

Almost surely, 2^42244631 is an apocalyptic number.

42244631 is a deficient number, since it is larger than the sum of its proper divisors (7385593).

42244631 is a wasteful number, since it uses less digits than its factorization.

42244631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295441.

The product of its digits is 4608, while the sum is 26.

The square root of 42244631 is about 6499.5869868785. The cubic root of 42244631 is about 348.2762345201.

Adding to 42244631 its reverse (13644224), we get a palindrome (55888855).

It can be divided in two parts, 42244 and 631, that added together give a cube (42875 = 35³).

The spelling of 42244631 in words is "forty-two million, two hundred forty-four thousand, six hundred thirty-one".