22156161348 has 24 divisors (see below), whose sum is σ = 51710203552. Its totient is φ = 7383602304.

The previous prime is 22156161343. The next prime is 22156161413. The reversal of 22156161348 is 84316165122.

It is not an unprimeable number, because it can be changed into a prime (22156161343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170890 + ... + 271137.

Almost surely, 2^22156161348 is an apocalyptic number.

It is an amenable number.

22156161348 is an abundant number, since it is smaller than the sum of its proper divisors (29554042204).

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

22156161348 is a wasteful number, since it uses less digits than its factorization.

22156161348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446211 (or 446209 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The spelling of 22156161348 in words is "twenty-two billion, one hundred fifty-six million, one hundred sixty-one thousand, three hundred forty-eight".