42422244 has 48 divisors (see below), whose sum is σ = 103252800. Its totient is φ = 13539456.

The previous prime is 42422243. The next prime is 42422257. The reversal of 42422244 is 44222424.

It is a super-3 number, since 3×42422244³ (a number of 24 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (42422243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47934 + ... + 48810.

It is an arithmetic number, because the mean of its divisors is an integer number (2151100).

Almost surely, 2^42422244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42422244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51626400).

42422244 is an abundant number, since it is smaller than the sum of its proper divisors (60830556).

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

42422244 is a wasteful number, since it uses less digits than its factorization.

42422244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1050 counting only the distinct ones).

The product of its digits is 4096, while the sum is 24.

The square root of 42422244 is about 6513.2360620509. The cubic root of 42422244 is about 348.7636486995.

Adding to 42422244 its reverse (44222424), we get a palindrome (86644668).

The spelling of 42422244 in words is "forty-two million, four hundred twenty-two thousand, two hundred forty-four".