227216061 has 6 divisors (see below), whose sum is σ = 328200990. Its totient is φ = 151477368.

The previous prime is 227216053. The next prime is 227216071. The reversal of 227216061 is 160612722.

It can be written as a sum of positive squares in only one way, i.e., 209525625 + 17690436 = 14475^2 + 4206^2 .

It is not a de Polignac number, because 227216061 - 2³ = 227216053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227216051) 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, 12623106 + ... + 12623123.

It is an arithmetic number, because the mean of its divisors is an integer number (54700165).

Almost surely, 2^227216061 is an apocalyptic number.

It is an amenable number.

227216061 is a deficient number, since it is larger than the sum of its proper divisors (100984929).

227216061 is a wasteful number, since it uses less digits than its factorization.

227216061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25246235 (or 25246232 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 227216061 is about 15073.6877040756. The cubic root of 227216061 is about 610.2104988836.

Adding to 227216061 its reverse (160612722), we get a palindrome (387828783).

It can be divided in two parts, 22721 and 6061, that added together give a palindrome (28782).

The spelling of 227216061 in words is "two hundred twenty-seven million, two hundred sixteen thousand, sixty-one".