225113528 has 8 divisors (see below), whose sum is σ = 422087880. Its totient is φ = 112556760.

The previous prime is 225113519. The next prime is 225113533. The reversal of 225113528 is 825311522.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×225113528² = 101352200977213568, 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 225113528.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14069588 + ... + 14069603.

It is an arithmetic number, because the mean of its divisors is an integer number (52760985).

Almost surely, 2^225113528 is an apocalyptic number.

It is an amenable number.

225113528 is a deficient number, since it is larger than the sum of its proper divisors (196974352).

225113528 is a wasteful number, since it uses less digits than its factorization.

225113528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28139197 (or 28139193 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 225113528 is about 15003.7837894313. The cubic root of 225113528 is about 608.3224786871.

The spelling of 225113528 in words is "two hundred twenty-five million, one hundred thirteen thousand, five hundred twenty-eight".