225251512 has 16 divisors (see below), whose sum is σ = 440709840. Its totient is φ = 107728896.

The previous prime is 225251503. The next prime is 225251519. The reversal of 225251512 is 215152522.

It is a super-2 number, since 2×225251512² = 101476487316572288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225251519) 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 3 ways as a sum of consecutive naturals, for example, 611913 + ... + 612280.

It is an arithmetic number, because the mean of its divisors is an integer number (27544365).

Almost surely, 2^225251512 is an apocalyptic number.

It is an amenable number.

225251512 is a deficient number, since it is larger than the sum of its proper divisors (215458328).

225251512 is a wasteful number, since it uses less digits than its factorization.

225251512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224222 (or 1224218 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 225251512 is about 15008.3813917424. The cubic root of 225251512 is about 608.4467443192.

The spelling of 225251512 in words is "two hundred twenty-five million, two hundred fifty-one thousand, five hundred twelve".