22018141908 has 36 divisors (see below), whose sum is σ = 63607966240. Its totient is φ = 6290897616.

The previous prime is 22018141897. The next prime is 22018141919. The reversal of 22018141908 is 80914181022.

It is a happy number.

22018141908 is a `hidden beast` number, since 220 + 18 + 1 + 419 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (22018141897) and next prime (22018141919).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43686538 + ... + 43687041.

Almost surely, 2^22018141908 is an apocalyptic number.

22018141908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22018141908 is an abundant number, since it is smaller than the sum of its proper divisors (41589824332).

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

22018141908 is a wasteful number, since it uses less digits than its factorization.

22018141908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87373596 (or 87373591 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 22018141908 in words is "twenty-two billion, eighteen million, one hundred forty-one thousand, nine hundred eight".