2162643226 has 4 divisors (see below), whose sum is σ = 3243964842. Its totient is φ = 1081321612.

The previous prime is 2162643211. The next prime is 2162643239. The reversal of 2162643226 is 6223462612.

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., 2038432201 + 124211025 = 45149^2 + 11145^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2162643191 and 2162643200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540660805 + ... + 540660808.

Almost surely, 2^2162643226 is an apocalyptic number.

2162643226 is a deficient number, since it is larger than the sum of its proper divisors (1081321616).

2162643226 is a wasteful number, since it uses less digits than its factorization.

2162643226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081321615.

The product of its digits is 41472, while the sum is 34.

The square root of 2162643226 is about 46504.2280443402. The cubic root of 2162643226 is about 1293.1878822122.

The spelling of 2162643226 in words is "two billion, one hundred sixty-two million, six hundred forty-three thousand, two hundred twenty-six".