1004431224 has 16 divisors (see below), whose sum is σ = 2511078120. Its totient is φ = 334810400.

The previous prime is 1004431187. The next prime is 1004431231. The reversal of 1004431224 is 4221344001.

It is a super-2 number, since 2×1004431224² = 2017764167492276352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1004431224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20925627 + ... + 20925674.

Almost surely, 2^1004431224 is an apocalyptic number.

It is an amenable number.

1004431224 is an abundant number, since it is smaller than the sum of its proper divisors (1506646896).

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

1004431224 is a wasteful number, since it uses less digits than its factorization.

1004431224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41851310 (or 41851306 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1004431224 is about 31692.7629593887. The cubic root of 1004431224 is about 1001.4748982723.

Adding to 1004431224 its reverse (4221344001), we get a palindrome (5225775225).

The spelling of 1004431224 in words is "one billion, four million, four hundred thirty-one thousand, two hundred twenty-four".