224353225 has 6 divisors (see below), whose sum is σ = 278198030. Its totient is φ = 179482560.

The previous prime is 224353211. The next prime is 224353229. The reversal of 224353225 is 522353422.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10374841 + 213978384 = 3221^2 + 14628^2 .

It is not a de Polignac number, because 224353225 - 2¹⁹ = 223828937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224353193 and 224353202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224353229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4487040 + ... + 4487089.

Almost surely, 2^224353225 is an apocalyptic number.

224353225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224353225 is a deficient number, since it is larger than the sum of its proper divisors (53844805).

224353225 is an equidigital number, since it uses as much as digits as its factorization.

224353225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8974139 (or 8974134 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 224353225 is about 14978.4253177696. The cubic root of 224353225 is about 607.6368526609.

The spelling of 224353225 in words is "two hundred twenty-four million, three hundred fifty-three thousand, two hundred twenty-five".