42244622 has 16 divisors (see below), whose sum is σ = 72614880. Its totient is φ = 18055968.

The previous prime is 42244603. The next prime is 42244627. The reversal of 42244622 is 22644224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42244591 and 42244600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568 + ... + 9324.

It is an arithmetic number, because the mean of its divisors is an integer number (4538430).

Almost surely, 2^42244622 is an apocalyptic number.

42244622 is a deficient number, since it is larger than the sum of its proper divisors (30370258).

42244622 is a wasteful number, since it uses less digits than its factorization.

42244622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155.

The product of its digits is 6144, while the sum is 26.

The square root of 42244622 is about 6499.5862945268. The cubic root of 42244622 is about 348.2762097873.

Adding to 42244622 its reverse (22644224), we get a palindrome (64888846).

The spelling of 42244622 in words is "forty-two million, two hundred forty-four thousand, six hundred twenty-two".