22100161456 has 40 divisors (see below), whose sum is σ = 42964375104. Its totient is φ = 11012651520.

The previous prime is 22100161451. The next prime is 22100161459. The reversal of 22100161456 is 65416100122.

It is not an unprimeable number, because it can be changed into a prime (22100161451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7309161 + ... + 7312183.

Almost surely, 2^22100161456 is an apocalyptic number.

It is an amenable number.

22100161456 is a deficient number, since it is larger than the sum of its proper divisors (20864213648).

22100161456 is a wasteful number, since it uses less digits than its factorization.

22100161456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429 (or 4423 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 22100161456 its reverse (65416100122), we get a palindrome (87516261578).

The spelling of 22100161456 in words is "twenty-two billion, one hundred million, one hundred sixty-one thousand, four hundred fifty-six".