1044225431 has 4 divisors (see below), whose sum is σ = 1044361752. Its totient is φ = 1044089112.

The previous prime is 1044225409. The next prime is 1044225443. The reversal of 1044225431 is 1345224401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1044225431 - 2¹⁰ = 1044224407 is a prime.

It is a super-2 number, since 2×1044225431² = 2180813501494271522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1044225431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044225491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55940 + ... + 72233.

It is an arithmetic number, because the mean of its divisors is an integer number (261090438).

Almost surely, 2^1044225431 is an apocalyptic number.

1044225431 is a deficient number, since it is larger than the sum of its proper divisors (136321).

1044225431 is an equidigital number, since it uses as much as digits as its factorization.

1044225431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136320.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1044225431 is about 32314.4771116600. The cubic root of 1044225431 is about 1014.5296763771.

Adding to 1044225431 its reverse (1345224401), we get a palindrome (2389449832).

The spelling of 1044225431 in words is "one billion, forty-four million, two hundred twenty-five thousand, four hundred thirty-one".