2686246226 has 4 divisors (see below), whose sum is σ = 4029369342. Its totient is φ = 1343123112.

The previous prime is 2686246217. The next prime is 2686246229. The reversal of 2686246226 is 6226426862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2152867201 + 533379025 = 46399^2 + 23095^2 .

It is not an unprimeable number, because it can be changed into a prime (2686246229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671561555 + ... + 671561558.

Almost surely, 2^2686246226 is an apocalyptic number.

2686246226 is a deficient number, since it is larger than the sum of its proper divisors (1343123116).

2686246226 is a wasteful number, since it uses less digits than its factorization.

2686246226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343123115.

The product of its digits is 663552, while the sum is 44.

The square root of 2686246226 is about 51829.0095024013. The cubic root of 2686246226 is about 1390.1082030221.

The spelling of 2686246226 in words is "two billion, six hundred eighty-six million, two hundred forty-six thousand, two hundred twenty-six".