2206416981 has 8 divisors (see below), whose sum is σ = 2948443200. Its totient is φ = 1467667712.

The previous prime is 2206416973. The next prime is 2206417001. The reversal of 2206416981 is 1896146022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2206416981 - 2³ = 2206416973 is a prime.

It is a super-2 number, since 2×2206416981² = 9736551788090308722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206416481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817665 + ... + 820358.

It is an arithmetic number, because the mean of its divisors is an integer number (368555400).

Almost surely, 2^2206416981 is an apocalyptic number.

It is an amenable number.

2206416981 is a deficient number, since it is larger than the sum of its proper divisors (742026219).

2206416981 is a wasteful number, since it uses less digits than its factorization.

2206416981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638475.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2206416981 is about 46972.5130368815. The cubic root of 2206416981 is about 1301.8547452284.

The spelling of 2206416981 in words is "two billion, two hundred six million, four hundred sixteen thousand, nine hundred eighty-one".