227141261 has 16 divisors (see below), whose sum is σ = 246240000. Its totient is φ = 208948608.

The previous prime is 227141249. The next prime is 227141269. The reversal of 227141261 is 162141722.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227141261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 227141261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227141269) 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, 74240 + ... + 77238.

It is an arithmetic number, because the mean of its divisors is an integer number (15390000).

Almost surely, 2^227141261 is an apocalyptic number.

It is an amenable number.

227141261 is a deficient number, since it is larger than the sum of its proper divisors (19098739).

227141261 is a wasteful number, since it uses less digits than its factorization.

227141261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148.

The product of its digits is 1344, while the sum is 26.

The square root of 227141261 is about 15071.2063551661. The cubic root of 227141261 is about 610.1435306791.

Adding to 227141261 its reverse (162141722), we get a palindrome (389282983).

The spelling of 227141261 in words is "two hundred twenty-seven million, one hundred forty-one thousand, two hundred sixty-one".