1045012224 has 72 divisors (see below), whose sum is σ = 2787296512. Its totient is φ = 347581440.

The previous prime is 1045012211. The next prime is 1045012229. The reversal of 1045012224 is 4222105401.

It is a self number, because there is not a number n which added to its sum of digits gives 1045012224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045012229) 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, 437337 + ... + 439719.

Almost surely, 2^1045012224 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 1045012224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393648256).

1045012224 is an abundant number, since it is smaller than the sum of its proper divisors (1742284288).

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

1045012224 is an equidigital number, since it uses as much as digits as its factorization.

1045012224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973 (or 2959 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1045012224 is about 32326.6488210578. The cubic root of 1045012224 is about 1014.7844184498.

Adding to 1045012224 its reverse (4222105401), we get a palindrome (5267117625).

The spelling of 1045012224 in words is "one billion, forty-five million, twelve thousand, two hundred twenty-four".