2226866261 has 8 divisors (see below), whose sum is σ = 2359200024. Its totient is φ = 2094681600.

The previous prime is 2226866219. The next prime is 2226866263. The reversal of 2226866261 is 1626686222.

It can be written as a sum of positive squares in 4 ways, for example, as 675688036 + 1551178225 = 25994^2 + 39385^2 .

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 2226866261 - 2¹⁸ = 2226604117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226866263) 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, 5750 + ... + 66983.

It is an arithmetic number, because the mean of its divisors is an integer number (294900003).

Almost surely, 2^2226866261 is an apocalyptic number.

It is an amenable number.

2226866261 is a deficient number, since it is larger than the sum of its proper divisors (132333763).

2226866261 is a wasteful number, since it uses less digits than its factorization.

2226866261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74551.

The product of its digits is 165888, while the sum is 41.

The square root of 2226866261 is about 47189.6838408566. The cubic root of 2226866261 is about 1305.8642877381.

The spelling of 2226866261 in words is "two billion, two hundred twenty-six million, eight hundred sixty-six thousand, two hundred sixty-one".