2206022246646 has 32 divisors (see below), whose sum is σ = 4645183165440. Its totient is φ = 696499733664.

The previous prime is 2206022246641. The next prime is 2206022246669. The reversal of 2206022246646 is 6466422206022.

It is a junction number, because it is equal to n+sod(n) for n = 2206022246598 and 2206022246607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206022246641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1353625 + ... + 2498868.

It is an arithmetic number, because the mean of its divisors is an integer number (145161973920).

Almost surely, 2^{2206022246646} is an apocalyptic number.

2206022246646 is an abundant number, since it is smaller than the sum of its proper divisors (2439160918794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2206022246646 is a wasteful number, since it uses less digits than its factorization.

2206022246646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857540.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 2206022246646 in words is "two trillion, two hundred six billion, twenty-two million, two hundred forty-six thousand, six hundred forty-six".