2206042646 has 16 divisors (see below), whose sum is σ = 3430746240. Its totient is φ = 1062771840.

The previous prime is 2206042609. The next prime is 2206042651. The reversal of 2206042646 is 6462406022.

It is a congruent number.

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, 63491 + ... + 91886.

It is an arithmetic number, because the mean of its divisors is an integer number (214421640).

Almost surely, 2^2206042646 is an apocalyptic number.

2206042646 is a deficient number, since it is larger than the sum of its proper divisors (1224703594).

2206042646 is a wasteful number, since it uses less digits than its factorization.

2206042646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155639.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2206042646 is about 46968.5282503082. The cubic root of 2206042646 is about 1301.7811179611.

Adding to 2206042646 its reverse (6462406022), we get a palindrome (8668448668).

The spelling of 2206042646 in words is "two billion, two hundred six million, forty-two thousand, six hundred forty-six".