22186059840 has 896 divisors, whose sum is σ = 96560640000. Its totient is φ = 4682022912.

The previous prime is 22186059827. The next prime is 22186059893. The reversal of 22186059840 is 4895068122.

22186059840 is a `hidden beast` number, since 2 + 2 + 18 + 6 + 0 + 598 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 49411936 + ... + 49412384.

Almost surely, 2^22186059840 is an apocalyptic number.

22186059840 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 22186059840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48280320000).

22186059840 is an abundant number, since it is smaller than the sum of its proper divisors (74374580160).

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

22186059840 is a wasteful number, since it uses less digits than its factorization.

22186059840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 22186059840 in words is "twenty-two billion, one hundred eighty-six million, fifty-nine thousand, eight hundred forty".