225335637 has 12 divisors (see below), whose sum is σ = 326638624. Its totient is φ = 149691240.

The previous prime is 225335633. The next prime is 225335657. The reversal of 225335637 is 736533522.

It is not a de Polignac number, because 225335637 - 2² = 225335633 is a prime.

It is a super-2 number, since 2×225335637² = 101552298604391538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225335633) 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, 41689 + ... + 46782.

Almost surely, 2^225335637 is an apocalyptic number.

It is an amenable number.

225335637 is a deficient number, since it is larger than the sum of its proper divisors (101302987).

225335637 is a wasteful number, since it uses less digits than its factorization.

225335637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88760 (or 88757 counting only the distinct ones).

The product of its digits is 113400, while the sum is 36.

The square root of 225335637 is about 15011.1837308055. The cubic root of 225335637 is about 608.5224807129.

The spelling of 225335637 in words is "two hundred twenty-five million, three hundred thirty-five thousand, six hundred thirty-seven".