22169499840 has 168 divisors, whose sum is σ = 76320261888. Its totient is φ = 5906718720.

The previous prime is 22169499829. The next prime is 22169499853. The reversal of 22169499840 is 4899496122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4233864 + ... + 4239096.

Almost surely, 2^22169499840 is an apocalyptic number.

22169499840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22169499840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38160130944).

22169499840 is an abundant number, since it is smaller than the sum of its proper divisors (54150762048).

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

22169499840 is a wasteful number, since it uses less digits than its factorization.

22169499840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727 (or 6714 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 22169499840 in words is "twenty-two billion, one hundred sixty-nine million, four hundred ninety-nine thousand, eight hundred forty".