2271626 has 16 divisors (see below), whose sum is σ = 3917760. Its totient is φ = 967680.

The previous prime is 2271613. The next prime is 2271637. The reversal of 2271626 is 6261722.

2271626 = T₂₈ + T₂₉ + ... + T₂₃₈.

It is a junction number, because it is equal to n+sod(n) for n = 2271595 and 2271604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2570 + ... + 3338.

It is an arithmetic number, because the mean of its divisors is an integer number (244860).

2^2271626 is an apocalyptic number.

2271626 is a deficient number, since it is larger than the sum of its proper divisors (1646134).

2271626 is a wasteful number, since it uses less digits than its factorization.

2271626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its digits is 2016, while the sum is 26.

The square root of 2271626 is about 1507.1914277888. The cubic root of 2271626 is about 131.4555551536.

The spelling of 2271626 in words is "two million, two hundred seventy-one thousand, six hundred twenty-six".