22686868861 has 8 divisors (see below), whose sum is σ = 23027987840. Its totient is φ = 22345823808.

The previous prime is 22686868819. The next prime is 22686868909. The reversal of 22686868861 is 16886868622.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22686868861 - 2⁷ = 22686868733 is a prime.

It is a super-2 number, since 2×22686868861² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22686868861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22686868801) 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, 1138300 + ... + 1158058.

It is an arithmetic number, because the mean of its divisors is an integer number (2878498480).

Almost surely, 2^22686868861 is an apocalyptic number.

It is an amenable number.

22686868861 is a deficient number, since it is larger than the sum of its proper divisors (341118979).

22686868861 is a wasteful number, since it uses less digits than its factorization.

22686868861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36963.

The product of its digits is 21233664, while the sum is 61.

The spelling of 22686868861 in words is "twenty-two billion, six hundred eighty-six million, eight hundred sixty-eight thousand, eight hundred sixty-one".