2159787222 has 12 divisors (see below), whose sum is σ = 4679539020. Its totient is φ = 719929068.

The previous prime is 2159787211. The next prime is 2159787283. The reversal of 2159787222 is 2227879512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59994072 + ... + 59994107.

It is an arithmetic number, because the mean of its divisors is an integer number (389961585).

Almost surely, 2^2159787222 is an apocalyptic number.

2159787222 is an abundant number, since it is smaller than the sum of its proper divisors (2519751798).

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

2159787222 is a wasteful number, since it uses less digits than its factorization.

2159787222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119988187 (or 119988184 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 2159787222 is about 46473.5109713049. The cubic root of 2159787222 is about 1292.6183666712.

The spelling of 2159787222 in words is "two billion, one hundred fifty-nine million, seven hundred eighty-seven thousand, two hundred twenty-two".