1932257225 has 18 divisors (see below), whose sum is σ = 2456226906. Its totient is φ = 1507004800.

The previous prime is 1932257219. The next prime is 1932257227. The reversal of 1932257225 is 5227522391.

It can be written as a sum of positive squares in 9 ways, for example, as 37222201 + 1895035024 = 6101^2 + 43532^2 .

It is not a de Polignac number, because 1932257225 - 2⁸ = 1932256969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1932257227) 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 in 17 ways as a sum of consecutive naturals, for example, 1406639 + ... + 1408011.

Almost surely, 2^1932257225 is an apocalyptic number.

It is an amenable number.

1932257225 is a deficient number, since it is larger than the sum of its proper divisors (523969681).

1932257225 is an frugal number, since it uses more digits than its factorization.

1932257225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797 (or 1419 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 1932257225 is about 43957.4478899765. The cubic root of 1932257225 is about 1245.5322584533.

The spelling of 1932257225 in words is "one billion, nine hundred thirty-two million, two hundred fifty-seven thousand, two hundred twenty-five".