225437925 has 12 divisors (see below), whose sum is σ = 372724160. Its totient is φ = 120233520.

The previous prime is 225437923. The next prime is 225437963. The reversal of 225437925 is 529734522.

It is not a de Polignac number, because 225437925 - 2¹ = 225437923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225437923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1502845 + ... + 1502994.

Almost surely, 2^225437925 is an apocalyptic number.

225437925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225437925 is a deficient number, since it is larger than the sum of its proper divisors (147286235).

225437925 is a wasteful number, since it uses less digits than its factorization.

225437925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005852 (or 3005847 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 225437925 is about 15014.5904040037. The cubic root of 225437925 is about 608.6145435757.

The spelling of 225437925 in words is "two hundred twenty-five million, four hundred thirty-seven thousand, nine hundred twenty-five".