18039222970 has 8 divisors (see below), whose sum is σ = 32470601364. Its totient is φ = 7215689184.

The previous prime is 18039222967. The next prime is 18039223021. The reversal of 18039222970 is 7922293081.

18039222970 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17880236089 + 158986881 = 133717^2 + 12609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18039222970² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 901961139 + ... + 901961158.

Almost surely, 2^18039222970 is an apocalyptic number.

18039222970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18039222970 is a deficient number, since it is larger than the sum of its proper divisors (14431378394).

18039222970 is a wasteful number, since it uses less digits than its factorization.

18039222970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803922304.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 18039222970 in words is "eighteen billion, thirty-nine million, two hundred twenty-two thousand, nine hundred seventy".