2206626643 has 4 divisors (see below), whose sum is σ = 2376367168. Its totient is φ = 2036886120.

The previous prime is 2206626619. The next prime is 2206626649. The reversal of 2206626643 is 3466266022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3466266022 = 2 ⋅1733133011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2206626643 is a prime.

It is a super-2 number, since 2×2206626643² = 9738402283194898898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2206626649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84870243 + ... + 84870268.

It is an arithmetic number, because the mean of its divisors is an integer number (594091792).

Almost surely, 2^2206626643 is an apocalyptic number.

2206626643 is a deficient number, since it is larger than the sum of its proper divisors (169740525).

2206626643 is a wasteful number, since it uses less digits than its factorization.

2206626643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169740524.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 2206626643 is about 46974.7447358684. The cubic root of 2206626643 is about 1301.8959796259.

It can be divided in two parts, 2206 and 626643, that added together give a square (628849 = 793²).

The spelling of 2206626643 in words is "two billion, two hundred six million, six hundred twenty-six thousand, six hundred forty-three".