225445329 has 16 divisors (see below), whose sum is σ = 343021440. Its totient is φ = 146234160.

The previous prime is 225445327. The next prime is 225445343. The reversal of 225445329 is 923544522.

It is not a de Polignac number, because 225445329 - 2¹ = 225445327 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225445293 and 225445302.

It is not an unprimeable number, because it can be changed into a prime (225445321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111837 + ... + 113834.

It is an arithmetic number, because the mean of its divisors is an integer number (21438840).

Almost surely, 2^225445329 is an apocalyptic number.

It is an amenable number.

225445329 is a deficient number, since it is larger than the sum of its proper divisors (117576111).

225445329 is a wasteful number, since it uses less digits than its factorization.

225445329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225717 (or 225711 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 225445329 is about 15014.8369621518. The cubic root of 225445329 is about 608.6212063599.

The spelling of 225445329 in words is "two hundred twenty-five million, four hundred forty-five thousand, three hundred twenty-nine".