225768049 has 8 divisors (see below), whose sum is σ = 246466472. Its totient is φ = 205545600.

The previous prime is 225767999. The next prime is 225768079. The reversal of 225768049 is 940867522.

It can be written as a sum of positive squares in 4 ways, for example, as 32001649 + 193766400 = 5657^2 + 13920^2 .

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

It is not a de Polignac number, because 225768049 - 2⁹ = 225767537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225767996 and 225768014.

It is not an unprimeable number, because it can be changed into a prime (225768079) 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, 118002 + ... + 119899.

It is an arithmetic number, because the mean of its divisors is an integer number (30808309).

Almost surely, 2^225768049 is an apocalyptic number.

It is an amenable number.

225768049 is a deficient number, since it is larger than the sum of its proper divisors (20698423).

225768049 is a wasteful number, since it uses less digits than its factorization.

225768049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237987.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 225768049 is about 15025.5798224228. The cubic root of 225768049 is about 608.9114771618.

It can be divided in two parts, 22576 and 8049, that added together give a square (30625 = 175²).

The spelling of 225768049 in words is "two hundred twenty-five million, seven hundred sixty-eight thousand, forty-nine".