2206556556572 has 12 divisors (see below), whose sum is σ = 3864930986280. Its totient is φ = 1102290560496.

The previous prime is 2206556556569. The next prime is 2206556556649. The reversal of 2206556556572 is 2756556556022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246924422 + ... + 246933357.

It is an arithmetic number, because the mean of its divisors is an integer number (322077582190).

Almost surely, 2^{2206556556572} is an apocalyptic number.

It is an amenable number.

2206556556572 is a deficient number, since it is larger than the sum of its proper divisors (1658374429708).

2206556556572 is a wasteful number, since it uses less digits than its factorization.

2206556556572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493858900 (or 493858898 counting only the distinct ones).

The product of its (nonzero) digits is 37800000, while the sum is 56.

The spelling of 2206556556572 in words is "two trillion, two hundred six billion, five hundred fifty-six million, five hundred fifty-six thousand, five hundred seventy-two".