225025449 has 8 divisors (see below), whose sum is σ = 327309792. Its totient is φ = 136379040.

The previous prime is 225025441. The next prime is 225025459. The reversal of 225025449 is 944520522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225025449 - 2³ = 225025441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 6818953 = 225025449 / (2 + 2 + 5 + 0 + 2 + 5 + 4 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (225025441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3409444 + ... + 3409509.

It is an arithmetic number, because the mean of its divisors is an integer number (40913724).

Almost surely, 2^225025449 is an apocalyptic number.

It is an amenable number.

225025449 is a deficient number, since it is larger than the sum of its proper divisors (102284343).

225025449 is a wasteful number, since it uses less digits than its factorization.

225025449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818967.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 225025449 is about 15000.8482760143. The cubic root of 225025449 is about 608.2431299460.

The spelling of 225025449 in words is "two hundred twenty-five million, twenty-five thousand, four hundred forty-nine".