18895386222 has 24 divisors (see below), whose sum is σ = 41051570976. Its totient is φ = 6281297856.

The previous prime is 18895386187. The next prime is 18895386227. The reversal of 18895386222 is 22268359881.

It is a happy number.

18895386222 is a `hidden beast` number, since 1 + 8 + 8 + 9 + 5 + 3 + 8 + 622 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18895386227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1423563 + ... + 1436774.

It is an arithmetic number, because the mean of its divisors is an integer number (1710482124).

Almost surely, 2^18895386222 is an apocalyptic number.

18895386222 is an abundant number, since it is smaller than the sum of its proper divisors (22156184754).

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

18895386222 is a wasteful number, since it uses less digits than its factorization.

18895386222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860712 (or 2860709 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 18895386222 in words is "eighteen billion, eight hundred ninety-five million, three hundred eighty-six thousand, two hundred twenty-two".