226857761 has 8 divisors (see below), whose sum is σ = 244465704. Its totient is φ = 209272320.

The previous prime is 226857733. The next prime is 226857769. The reversal of 226857761 is 167758622.

It can be written as a sum of positive squares in 4 ways, for example, as 34869025 + 191988736 = 5905^2 + 13856^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226857761 - 2¹⁰ = 226856737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226857769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19505 + ... + 28881.

It is an arithmetic number, because the mean of its divisors is an integer number (30558213).

Almost surely, 2^226857761 is an apocalyptic number.

It is an amenable number.

226857761 is a deficient number, since it is larger than the sum of its proper divisors (17607943).

226857761 is a wasteful number, since it uses less digits than its factorization.

226857761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11251.

The product of its digits is 282240, while the sum is 44.

The square root of 226857761 is about 15061.7980666320. The cubic root of 226857761 is about 609.8895804794.

The spelling of 226857761 in words is "two hundred twenty-six million, eight hundred fifty-seven thousand, seven hundred sixty-one".