225457616 has 10 divisors (see below), whose sum is σ = 436824162. Its totient is φ = 112728800.

The previous prime is 225457607. The next prime is 225457657. The reversal of 225457616 is 616754522.

It can be written as a sum of positive squares in only one way, i.e., 224880016 + 577600 = 14996^2 + 760^2 .

It is a super-2 number, since 2×225457616² = 101662273224806912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225457616.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7045535 + ... + 7045566.

Almost surely, 2^225457616 is an apocalyptic number.

It is an amenable number.

225457616 is a deficient number, since it is larger than the sum of its proper divisors (211366546).

225457616 is a wasteful number, since it uses less digits than its factorization.

225457616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14091109 (or 14091103 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 225457616 is about 15015.2461185290. The cubic root of 225457616 is about 608.6322629842.

The spelling of 225457616 in words is "two hundred twenty-five million, four hundred fifty-seven thousand, six hundred sixteen".