225283443 has 32 divisors (see below), whose sum is σ = 381583872. Its totient is φ = 114816000.

The previous prime is 225283391. The next prime is 225283447. The reversal of 225283443 is 344382522.

It is not a de Polignac number, because 225283443 - 2¹³ = 225275251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (225283447) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 3043 + ... + 21443.

It is an arithmetic number, because the mean of its divisors is an integer number (11924496).

Almost surely, 2^225283443 is an apocalyptic number.

225283443 is a deficient number, since it is larger than the sum of its proper divisors (156300429).

225283443 is a wasteful number, since it uses less digits than its factorization.

225283443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18475.

The product of its digits is 46080, while the sum is 33.

The square root of 225283443 is about 15009.4451263196. The cubic root of 225283443 is about 608.4754935084.

The spelling of 225283443 in words is "two hundred twenty-five million, two hundred eighty-three thousand, four hundred forty-three".