227212144025 has 6 divisors (see below), whose sum is σ = 281743058622. Its totient is φ = 181769715200.

The previous prime is 227212144021. The next prime is 227212144091. The reversal of 227212144025 is 520441212722.

It can be written as a sum of positive squares in 3 ways, for example, as 1518738841 + 225693405184 = 38971^2 + 475072^2 .

It is not a de Polignac number, because 227212144025 - 2² = 227212144021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227212143982 and 227212144000.

It is not an unprimeable number, because it can be changed into a prime (227212144021) 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, 4544242856 + ... + 4544242905.

It is an arithmetic number, because the mean of its divisors is an integer number (46957176437).

Almost surely, 2^227212144025 is an apocalyptic number.

227212144025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

227212144025 is a deficient number, since it is larger than the sum of its proper divisors (54530914597).

227212144025 is an equidigital number, since it uses as much as digits as its factorization.

227212144025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9088485771 (or 9088485766 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

Adding to 227212144025 its reverse (520441212722), we get a palindrome (747653356747).

The spelling of 227212144025 in words is "two hundred twenty-seven billion, two hundred twelve million, one hundred forty-four thousand, twenty-five".