2192218859 has 4 divisors (see below), whose sum is σ = 2192429616. Its totient is φ = 2192008104.

The previous prime is 2192218817. The next prime is 2192218943. The reversal of 2192218859 is 9588122912.

It is a happy number.

2192218859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2192218859 - 2¹⁶ = 2192153323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2192218559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88919 + ... + 110864.

It is an arithmetic number, because the mean of its divisors is an integer number (548107404).

Almost surely, 2^2192218859 is an apocalyptic number.

2192218859 is a deficient number, since it is larger than the sum of its proper divisors (210757).

2192218859 is a wasteful number, since it uses less digits than its factorization.

2192218859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210756.

The product of its digits is 207360, while the sum is 47.

The square root of 2192218859 is about 46821.1368828225. The cubic root of 2192218859 is about 1299.0562892583.

The spelling of 2192218859 in words is "two billion, one hundred ninety-two million, two hundred eighteen thousand, eight hundred fifty-nine".