22116581026 has 8 divisors (see below), whose sum is σ = 33417024300. Its totient is φ = 10977572928.

The previous prime is 22116581009. The next prime is 22116581027. The reversal of 22116581026 is 62018561122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20334474801 + 1782106225 = 142599^2 + 42215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22116580982 and 22116581000.

It is not an unprimeable number, because it can be changed into a prime (22116581027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40358451 + ... + 40358998.

Almost surely, 2^22116581026 is an apocalyptic number.

22116581026 is a deficient number, since it is larger than the sum of its proper divisors (11300443274).

22116581026 is a wasteful number, since it uses less digits than its factorization.

22116581026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80717588.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 22116581026 in words is "twenty-two billion, one hundred sixteen million, five hundred eighty-one thousand, twenty-six".