22505655060 has 192 divisors, whose sum is σ = 80381952000. Its totient is φ = 5120889984.

The previous prime is 22505655049. The next prime is 22505655091. The reversal of 22505655060 is 6055650522.

22505655060 is a `hidden beast` number, since 2 + 2 + 50 + 56 + 550 + 6 + 0 = 666.

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 63 ways as a sum of consecutive naturals, for example, 829591 + ... + 856289.

It is an arithmetic number, because the mean of its divisors is an integer number (418656000).

Almost surely, 2^22505655060 is an apocalyptic number.

22505655060 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 22505655060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40190976000).

22505655060 is an abundant number, since it is smaller than the sum of its proper divisors (57876296940).

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

22505655060 is a wasteful number, since it uses less digits than its factorization.

22505655060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26947 (or 26939 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 22505655060 in words is "twenty-two billion, five hundred five million, six hundred fifty-five thousand, sixty".