18770222159 has 8 divisors (see below), whose sum is σ = 20403003600. Its totient is φ = 17164429056.

The previous prime is 18770222153. The next prime is 18770222161. The reversal of 18770222159 is 95122207781.

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 18770222159 - 2⁴ = 18770222143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18770222153) 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, 6745634 + ... + 6748415.

It is an arithmetic number, because the mean of its divisors is an integer number (2550375450).

Almost surely, 2^18770222159 is an apocalyptic number.

18770222159 is a deficient number, since it is larger than the sum of its proper divisors (1632781441).

18770222159 is a wasteful number, since it uses less digits than its factorization.

18770222159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13494169.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 18770222159 in words is "eighteen billion, seven hundred seventy million, two hundred twenty-two thousand, one hundred fifty-nine".