42244522 has 8 divisors (see below), whose sum is σ = 63414756. Its totient is φ = 21106272.

The previous prime is 42244519. The next prime is 42244549. The reversal of 42244522 is 22544224.

It can be written as a sum of positive squares in 2 ways, for example, as 40947201 + 1297321 = 6399^2 + 1139^2 .

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

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, 4363 + ... + 10174.

Almost surely, 2^42244522 is an apocalyptic number.

42244522 is a deficient number, since it is larger than the sum of its proper divisors (21170234).

42244522 is a wasteful number, since it uses less digits than its factorization.

42244522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15992.

The product of its digits is 5120, while the sum is 25.

The square root of 42244522 is about 6499.5786017249. The cubic root of 42244522 is about 348.2759349780.

Adding to 42244522 its reverse (22544224), we get a palindrome (64788746).

It can be divided in two parts, 422 and 44522, that added together give a palindrome (44944).

The spelling of 42244522 in words is "forty-two million, two hundred forty-four thousand, five hundred twenty-two".