227327244221 has 16 divisors (see below), whose sum is σ = 295743633408. Its totient is φ = 169436454000.

The previous prime is 227327244167. The next prime is 227327244223. The reversal of 227327244221 is 122442723722.

It is not a de Polignac number, because 227327244221 - 2²⁶ = 227260135357 is a prime.

It is a super-2 number, since 2×227327244221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227327244223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64178705 + ... + 64182246.

It is an arithmetic number, because the mean of its divisors is an integer number (18483977088).

Almost surely, 2^227327244221 is an apocalyptic number.

It is an amenable number.

227327244221 is a deficient number, since it is larger than the sum of its proper divisors (68416389187).

227327244221 is a wasteful number, since it uses less digits than its factorization.

227327244221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128360992.

The product of its digits is 150528, while the sum is 38.

Adding to 227327244221 its reverse (122442723722), we get a palindrome (349769967943).

The spelling of 227327244221 in words is "two hundred twenty-seven billion, three hundred twenty-seven million, two hundred forty-four thousand, two hundred twenty-one".