22550271660 has 288 divisors, whose sum is σ = 80256863232. Its totient is φ = 5018872320.

The previous prime is 22550271647. The next prime is 22550271661. The reversal of 22550271660 is 6617205522.

22550271660 is a `hidden beast` number, since 2 + 25 + 502 + 71 + 6 + 60 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (22550271661) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7423662 + ... + 7426698.

It is an arithmetic number, because the mean of its divisors is an integer number (278669664).

Almost surely, 2^22550271660 is an apocalyptic number.

22550271660 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 22550271660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40128431616).

22550271660 is an abundant number, since it is smaller than the sum of its proper divisors (57706591572).

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

22550271660 is a wasteful number, since it uses less digits than its factorization.

22550271660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 22550271660 in words is "twenty-two billion, five hundred fifty million, two hundred seventy-one thousand, six hundred sixty".