1045225231 has 2 divisors, whose sum is σ = 1045225232. Its totient is φ = 1045225230.

The previous prime is 1045225219. The next prime is 1045225261. The reversal of 1045225231 is 1325225401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045225231 - 2⁵ = 1045225199 is a prime.

It is a super-2 number, since 2×1045225231² = 2184991567038006722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1045225196 and 1045225205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045225261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522612615 + 522612616.

It is an arithmetic number, because the mean of its divisors is an integer number (522612616).

Almost surely, 2^1045225231 is an apocalyptic number.

1045225231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045225231 is an equidigital number, since it uses as much as digits as its factorization.

1045225231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1045225231 is about 32329.9432569870. The cubic root of 1045225231 is about 1014.8533623004.

The spelling of 1045225231 in words is "one billion, forty-five million, two hundred twenty-five thousand, two hundred thirty-one".