424225044 has 18 divisors (see below), whose sum is σ = 1072346730. Its totient is φ = 141408336.

The previous prime is 424225033. The next prime is 424225051. The reversal of 424225044 is 440522424.

It can be written as a sum of positive squares in only one way, i.e., 362445444 + 61779600 = 19038^2 + 7860^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 424224999 and 424225017.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 5891979 + ... + 5892050.

Almost surely, 2^424225044 is an apocalyptic number.

It is an amenable number.

424225044 is an abundant number, since it is smaller than the sum of its proper divisors (648121686).

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

424225044 is a wasteful number, since it uses less digits than its factorization.

424225044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11784039 (or 11784034 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 424225044 is about 20596.7241084596. The cubic root of 424225044 is about 751.3900407905.

Adding to 424225044 its reverse (440522424), we get a palindrome (864747468).

The spelling of 424225044 in words is "four hundred twenty-four million, two hundred twenty-five thousand, forty-four".