227342245 has 16 divisors (see below), whose sum is σ = 301739760. Its totient is φ = 163344384.

The previous prime is 227342233. The next prime is 227342249. The reversal of 227342245 is 542243722.

It can be written as a sum of positive squares in 8 ways, for example, as 1170724 + 226171521 = 1082^2 + 15039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227342245 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227342249) 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 15 ways as a sum of consecutive naturals, for example, 44860 + ... + 49669.

It is an arithmetic number, because the mean of its divisors is an integer number (18858735).

Almost surely, 2^227342245 is an apocalyptic number.

It is an amenable number.

227342245 is a deficient number, since it is larger than the sum of its proper divisors (74397515).

227342245 is a wasteful number, since it uses less digits than its factorization.

227342245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94584.

The product of its digits is 26880, while the sum is 31.

The square root of 227342245 is about 15077.8726947803. The cubic root of 227342245 is about 610.3234377195.

Adding to 227342245 its reverse (542243722), we get a palindrome (769585967).

The spelling of 227342245 in words is "two hundred twenty-seven million, three hundred forty-two thousand, two hundred forty-five".