222301225 has 6 divisors (see below), whose sum is σ = 275653550. Its totient is φ = 177840960.

The previous prime is 222301223. The next prime is 222301237. The reversal of 222301225 is 522103222.

It can be written as a sum of positive squares in 3 ways, for example, as 48483369 + 173817856 = 6963^2 + 13184^2 .

It is not a de Polignac number, because 222301225 - 2¹ = 222301223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222301223) 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, 4446000 + ... + 4446049.

Almost surely, 2^222301225 is an apocalyptic number.

222301225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222301225 is a deficient number, since it is larger than the sum of its proper divisors (53352325).

222301225 is an equidigital number, since it uses as much as digits as its factorization.

222301225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892059 (or 8892054 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 222301225 is about 14909.7694482510. The cubic root of 222301225 is about 605.7786345602.

Adding to 222301225 its reverse (522103222), we get a palindrome (744404447).

The spelling of 222301225 in words is "two hundred twenty-two million, three hundred one thousand, two hundred twenty-five".