225303844 has 6 divisors (see below), whose sum is σ = 394281734. Its totient is φ = 112651920.

The previous prime is 225303823. The next prime is 225303847. The reversal of 225303844 is 448303522.

It can be written as a sum of positive squares in only one way, i.e., 211702500 + 13601344 = 14550^2 + 3688^2 .

It is not an unprimeable number, because it can be changed into a prime (225303847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28162977 + ... + 28162984.

Almost surely, 2^225303844 is an apocalyptic number.

It is an amenable number.

225303844 is a deficient number, since it is larger than the sum of its proper divisors (168977890).

225303844 is a wasteful number, since it uses less digits than its factorization.

225303844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56325965 (or 56325963 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 225303844 is about 15010.1247163373. The cubic root of 225303844 is about 608.4938601990.

The spelling of 225303844 in words is "two hundred twenty-five million, three hundred three thousand, eight hundred forty-four".