225373905 has 48 divisors (see below), whose sum is σ = 397837440. Its totient is φ = 118013184.

The previous prime is 225373903. The next prime is 225373921. The reversal of 225373905 is 509373522.

It is not a de Polignac number, because 225373905 - 2¹ = 225373903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225373905.

It is not an unprimeable number, because it can be changed into a prime (225373901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 856804 + ... + 857066.

It is an arithmetic number, because the mean of its divisors is an integer number (8288280).

Almost surely, 2^225373905 is an apocalyptic number.

It is an amenable number.

225373905 is a deficient number, since it is larger than the sum of its proper divisors (172463535).

225373905 is a wasteful number, since it uses less digits than its factorization.

225373905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 225373905 is about 15012.4583263368. The cubic root of 225373905 is about 608.5569265444.

The spelling of 225373905 in words is "two hundred twenty-five million, three hundred seventy-three thousand, nine hundred five".