227072225 has 6 divisors (see below), whose sum is σ = 281569590. Its totient is φ = 181657760.

The previous prime is 227072221. The next prime is 227072231. The reversal of 227072225 is 522270722.

It can be written as a sum of positive squares in 3 ways, for example, as 7054336 + 220017889 = 2656^2 + 14833^2 .

It is not a de Polignac number, because 227072225 - 2² = 227072221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227072221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4541420 + ... + 4541469.

It is an arithmetic number, because the mean of its divisors is an integer number (46928265).

Almost surely, 2^227072225 is an apocalyptic number.

227072225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

227072225 is a deficient number, since it is larger than the sum of its proper divisors (54497365).

227072225 is an equidigital number, since it uses as much as digits as its factorization.

227072225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082899 (or 9082894 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 227072225 is about 15068.9158535045. The cubic root of 227072225 is about 610.0817099180.

The spelling of 227072225 in words is "two hundred twenty-seven million, seventy-two thousand, two hundred twenty-five".