22352737680 has 1080 divisors, whose sum is σ = 99274413888. Its totient is φ = 4483454976.

The previous prime is 22352737679. The next prime is 22352737697. The reversal of 22352737680 is 8673725322.

22352737680 is a `hidden beast` number, since 2 + 235 + 273 + 76 + 80 = 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 215 ways as a sum of consecutive naturals, for example, 137133279 + ... + 137133441.

Almost surely, 2^22352737680 is an apocalyptic number.

22352737680 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 22352737680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49637206944).

22352737680 is an abundant number, since it is smaller than the sum of its proper divisors (76921676208).

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

22352737680 is a wasteful number, since it uses less digits than its factorization.

22352737680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 22352737680 in words is "twenty-two billion, three hundred fifty-two million, seven hundred thirty-seven thousand, six hundred eighty".