22197738348 has 36 divisors (see below), whose sum is σ = 56118892648. Its totient is φ = 7398198720.

The previous prime is 22197738347. The next prime is 22197738377. The reversal of 22197738348 is 84383779122.

22197738348 is a `hidden beast` number, since 2 + 219 + 7 + 7 + 383 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 22197738294 and 22197738303.

It is not an unprimeable number, because it can be changed into a prime (22197738347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239343 + ... + 318873.

Almost surely, 2^22197738348 is an apocalyptic number.

It is an amenable number.

22197738348 is an abundant number, since it is smaller than the sum of its proper divisors (33921154300).

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

22197738348 is a wasteful number, since it uses less digits than its factorization.

22197738348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87294 (or 87289 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 22197738348 in words is "twenty-two billion, one hundred ninety-seven million, seven hundred thirty-eight thousand, three hundred forty-eight".