2220780159 has 72 divisors (see below), whose sum is σ = 3815268912. Its totient is φ = 1285839360.

The previous prime is 2220780137. The next prime is 2220780187. The reversal of 2220780159 is 9510870222.

It is not a de Polignac number, because 2220780159 - 2⁷ = 2220780031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220780109) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 696549 + ... + 699729.

It is an arithmetic number, because the mean of its divisors is an integer number (52989846).

Almost surely, 2^2220780159 is an apocalyptic number.

2220780159 is a deficient number, since it is larger than the sum of its proper divisors (1594488753).

2220780159 is a wasteful number, since it uses less digits than its factorization.

2220780159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 2220780159 is about 47125.1542066442. The cubic root of 2220780159 is about 1304.6735449767.

The spelling of 2220780159 in words is "two billion, two hundred twenty million, seven hundred eighty thousand, one hundred fifty-nine".