2220686881 has 8 divisors (see below), whose sum is σ = 2561647680. Its totient is φ = 1885656048.

The previous prime is 2220686873. The next prime is 2220686917. The reversal of 2220686881 is 1886860222.

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 2220686881 - 2³ = 2220686873 is a prime.

It is a super-2 number, since 2×2220686881² = 9862900446891016322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220686801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1481686 + ... + 1483183.

It is an arithmetic number, because the mean of its divisors is an integer number (320205960).

Almost surely, 2^2220686881 is an apocalyptic number.

It is an amenable number.

2220686881 is a deficient number, since it is larger than the sum of its proper divisors (340960799).

2220686881 is a wasteful number, since it uses less digits than its factorization.

2220686881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964983.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 2220686881 is about 47124.1645124876. The cubic root of 2220686881 is about 1304.6552782665.

The spelling of 2220686881 in words is "two billion, two hundred twenty million, six hundred eighty-six thousand, eight hundred eighty-one".