227227513 has 4 divisors (see below), whose sum is σ = 228674980. Its totient is φ = 225780048.

The previous prime is 227227493. The next prime is 227227531. The reversal of 227227513 is 315722722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 173527929 + 53699584 = 13173^2 + 7328^2 .

It is a cyclic number.

It is not a de Polignac number, because 227227513 - 2⁹ = 227227001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227227313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723498 + ... + 723811.

It is an arithmetic number, because the mean of its divisors is an integer number (57168745).

Almost surely, 2^227227513 is an apocalyptic number.

It is an amenable number.

227227513 is a deficient number, since it is larger than the sum of its proper divisors (1447467).

227227513 is a wasteful number, since it uses less digits than its factorization.

227227513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447466.

The product of its digits is 11760, while the sum is 31.

The square root of 227227513 is about 15074.0675665197. The cubic root of 227227513 is about 610.2207505257.

The spelling of 227227513 in words is "two hundred twenty-seven million, two hundred twenty-seven thousand, five hundred thirteen".