42224344 has 8 divisors (see below), whose sum is σ = 79170660. Its totient is φ = 21112168.

The previous prime is 42224333. The next prime is 42224393. The reversal of 42224344 is 44342224.

42224344 = 1617² + 1618² + ... + 1632².

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639014 + ... + 2639029.

Almost surely, 2^42224344 is an apocalyptic number.

It is an amenable number.

42224344 is a deficient number, since it is larger than the sum of its proper divisors (36946316).

42224344 is a wasteful number, since it uses less digits than its factorization.

42224344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278049 (or 5278045 counting only the distinct ones).

The product of its digits is 6144, while the sum is 25.

The square root of 42224344 is about 6498.0261618433. The cubic root of 42224344 is about 348.2204750771.

Adding to 42224344 its reverse (44342224), we get a palindrome (86566568).

The spelling of 42224344 in words is "forty-two million, two hundred twenty-four thousand, three hundred forty-four".