2202242446646 has 16 divisors (see below), whose sum is σ = 3691563836688. Its totient is φ = 976604188800.

The previous prime is 2202242446519. The next prime is 2202242446669. The reversal of 2202242446646 is 6466442422022.

It is a happy number.

2202242446646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2202242446597 and 2202242446606.

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, 1220754335 + ... + 1220756138.

It is an arithmetic number, because the mean of its divisors is an integer number (230722739793).

Almost surely, 2^{2202242446646} is an apocalyptic number.

2202242446646 is a deficient number, since it is larger than the sum of its proper divisors (1489321390042).

2202242446646 is a wasteful number, since it uses less digits than its factorization.

2202242446646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441510527.

The product of its (nonzero) digits is 1769472, while the sum is 44.

Adding to 2202242446646 its reverse (6466442422022), we get a palindrome (8668684868668).

The spelling of 2202242446646 in words is "two trillion, two hundred two billion, two hundred forty-two million, four hundred forty-six thousand, six hundred forty-six".