2206686976 has 144 divisors (see below), whose sum is σ = 5010776064. Its totient is φ = 962260992.

The previous prime is 2206686941. The next prime is 2206687003. The reversal of 2206686976 is 6796866022.

It is a Harshad number since it is a multiple of its sum of digits (52).

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 15 ways as a sum of consecutive naturals, for example, 9720975 + ... + 9721201.

It is an arithmetic number, because the mean of its divisors is an integer number (34797056).

Almost surely, 2^2206686976 is an apocalyptic number.

2206686976 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206686976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2505388032).

2206686976 is an abundant number, since it is smaller than the sum of its proper divisors (2804089088).

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

2206686976 is a wasteful number, since it uses less digits than its factorization.

2206686976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The square root of 2206686976 is about 46975.3869169803. The cubic root of 2206686976 is about 1301.9078448825.

The spelling of 2206686976 in words is "two billion, two hundred six million, six hundred eighty-six thousand, nine hundred seventy-six".