18709422422 has 8 divisors (see below), whose sum is σ = 28076139000. Its totient is φ = 9350709424.

The previous prime is 18709422419. The next prime is 18709422451. The reversal of 18709422422 is 22422490781.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18709422422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1995047 + ... + 2004402.

It is an arithmetic number, because the mean of its divisors is an integer number (3509517375).

Almost surely, 2^18709422422 is an apocalyptic number.

18709422422 is a deficient number, since it is larger than the sum of its proper divisors (9366716578).

18709422422 is a wasteful number, since it uses less digits than its factorization.

18709422422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001790.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 18709422422 in words is "eighteen billion, seven hundred nine million, four hundred twenty-two thousand, four hundred twenty-two".