225552449 has 4 divisors (see below), whose sum is σ = 225631536. Its totient is φ = 225473364.

The previous prime is 225552443. The next prime is 225552461. The reversal of 225552449 is 944255522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225552449 - 2¹⁶ = 225486913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225552443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35099 + ... + 41024.

It is an arithmetic number, because the mean of its divisors is an integer number (56407884).

Almost surely, 2^225552449 is an apocalyptic number.

It is an amenable number.

225552449 is a deficient number, since it is larger than the sum of its proper divisors (79087).

225552449 is an equidigital number, since it uses as much as digits as its factorization.

225552449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79086.

The product of its digits is 144000, while the sum is 38.

The square root of 225552449 is about 15018.4036768226. The cubic root of 225552449 is about 608.7175862388.

The spelling of 225552449 in words is "two hundred twenty-five million, five hundred fifty-two thousand, four hundred forty-nine".