22146603530220 has 288 divisors, whose sum is σ = 72787250023488. Its totient is φ = 5418246629376.

The previous prime is 22146603530201. The next prime is 22146603530297. The reversal of 22146603530220 is 2203530664122.

22146603530220 is a `hidden beast` number, since 2 + 2 + 1 + 46 + 60 + 3 + 530 + 2 + 20 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 459572967 + ... + 459621153.

It is an arithmetic number, because the mean of its divisors is an integer number (252733507026).

Almost surely, 2^{22146603530220} is an apocalyptic number.

22146603530220 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 22146603530220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36393625011744).

22146603530220 is an abundant number, since it is smaller than the sum of its proper divisors (50640646493268).

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

22146603530220 is a wasteful number, since it uses less digits than its factorization.

22146603530220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49409 (or 49404 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 22146603530220 in words is "twenty-two trillion, one hundred forty-six billion, six hundred three million, five hundred thirty thousand, two hundred twenty".