2225905725 has 12 divisors (see below), whose sum is σ = 3680164256. Its totient is φ = 1187149680.

The previous prime is 2225905723. The next prime is 2225905729. The reversal of 2225905725 is 5275095222.

It is not a de Polignac number, because 2225905725 - 2¹ = 2225905723 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 (2225905723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14839297 + ... + 14839446.

Almost surely, 2^2225905725 is an apocalyptic number.

2225905725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2225905725 is a deficient number, since it is larger than the sum of its proper divisors (1454258531).

2225905725 is a wasteful number, since it uses less digits than its factorization.

2225905725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29678756 (or 29678751 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 2225905725 is about 47179.5053492510. The cubic root of 2225905725 is about 1305.6765036650.

The spelling of 2225905725 in words is "two billion, two hundred twenty-five million, nine hundred five thousand, seven hundred twenty-five".