22220867408 has 20 divisors (see below), whose sum is σ = 44216524500. Its totient is φ = 10810151424.

The previous prime is 22220867407. The next prime is 22220867413. The reversal of 22220867408 is 80476802222.

It can be written as a sum of positive squares in 2 ways, for example, as 18959086864 + 3261780544 = 137692^2 + 57112^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220867407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18767033 + ... + 18768216.

It is an arithmetic number, because the mean of its divisors is an integer number (2210826225).

Almost surely, 2^22220867408 is an apocalyptic number.

It is an amenable number.

22220867408 is a deficient number, since it is larger than the sum of its proper divisors (21995657092).

22220867408 is a wasteful number, since it uses less digits than its factorization.

22220867408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37535294 (or 37535288 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The spelling of 22220867408 in words is "twenty-two billion, two hundred twenty million, eight hundred sixty-seven thousand, four hundred eight".