224223225 has 24 divisors (see below), whose sum is σ = 371946432. Its totient is φ = 119188800.

The previous prime is 224223221. The next prime is 224223239. The reversal of 224223225 is 522322422.

It is not a de Polignac number, because 224223225 - 2² = 224223221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224223195 and 224223204.

It is not an unprimeable number, because it can be changed into a prime (224223221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18519 + ... + 28131.

It is an arithmetic number, because the mean of its divisors is an integer number (15497768).

Almost surely, 2^224223225 is an apocalyptic number.

224223225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224223225 is a deficient number, since it is larger than the sum of its proper divisors (147723207).

224223225 is a wasteful number, since it uses less digits than its factorization.

224223225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9937 (or 9932 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 224223225 is about 14974.0851139560. The cubic root of 224223225 is about 607.5194662597.

Adding to 224223225 its reverse (522322422), we get a palindrome (746545647).

The spelling of 224223225 in words is "two hundred twenty-four million, two hundred twenty-three thousand, two hundred twenty-five".