227452013 has 4 divisors (see below), whose sum is σ = 230567868. Its totient is φ = 224336160.

The previous prime is 227452007. The next prime is 227452031. The reversal of 227452013 is 310254722.

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 173238244 + 54213769 = 13162^2 + 7363^2 .

It is a cyclic number.

It is not a de Polignac number, because 227452013 - 2⁶ = 227451949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227452213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557818 + ... + 1557963.

It is an arithmetic number, because the mean of its divisors is an integer number (57641967).

Almost surely, 2^227452013 is an apocalyptic number.

It is an amenable number.

227452013 is a deficient number, since it is larger than the sum of its proper divisors (3115855).

227452013 is an equidigital number, since it uses as much as digits as its factorization.

227452013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115854.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 227452013 is about 15081.5122915442. The cubic root of 227452013 is about 610.4216497108.

The spelling of 227452013 in words is "two hundred twenty-seven million, four hundred fifty-two thousand, thirteen".