2861322226 has 16 divisors (see below), whose sum is σ = 4911621696. Its totient is φ = 1224656496.

The previous prime is 2861322193. The next prime is 2861322229. The reversal of 2861322226 is 6222231682.

It is a junction number, because it is equal to n+sod(n) for n = 2861322191 and 2861322200.

It is not an unprimeable number, because it can be changed into a prime (2861322229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124396 + ... + 145591.

It is an arithmetic number, because the mean of its divisors is an integer number (306976356).

Almost surely, 2^2861322226 is an apocalyptic number.

2861322226 is a deficient number, since it is larger than the sum of its proper divisors (2050299470).

2861322226 is a wasteful number, since it uses less digits than its factorization.

2861322226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270753.

The product of its digits is 27648, while the sum is 34.

The square root of 2861322226 is about 53491.3285121991. The cubic root of 2861322226 is about 1419.6749613114.

The spelling of 2861322226 in words is "two billion, eight hundred sixty-one million, three hundred twenty-two thousand, two hundred twenty-six".