225253445 has 16 divisors (see below), whose sum is σ = 280091520. Its totient is φ = 173793984.

The previous prime is 225253387. The next prime is 225253453. The reversal of 225253445 is 544352522.

It is a cyclic number.

It is not a de Polignac number, because 225253445 - 2⁶ = 225253381 is a prime.

It is a super-2 number, since 2×225253445² = 101478228968736050, which contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 8432 + ... + 22838.

It is an arithmetic number, because the mean of its divisors is an integer number (17505720).

Almost surely, 2^225253445 is an apocalyptic number.

It is an amenable number.

225253445 is a deficient number, since it is larger than the sum of its proper divisors (54838075).

225253445 is a wasteful number, since it uses less digits than its factorization.

225253445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14524.

The product of its digits is 48000, while the sum is 32.

The square root of 225253445 is about 15008.4457889550. The cubic root of 225253445 is about 608.4484847799.

The spelling of 225253445 in words is "two hundred twenty-five million, two hundred fifty-three thousand, four hundred forty-five".