22216976687 has 16 divisors (see below), whose sum is σ = 22621347840. Its totient is φ = 21816037152.

The previous prime is 22216976641. The next prime is 22216976699. The reversal of 22216976687 is 78667961222.

It is a cyclic number.

It is not a de Polignac number, because 22216976687 - 2¹⁰ = 22216975663 is a prime.

It is a super-2 number, since 2×22216976687² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22216976627) 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 15 ways as a sum of consecutive naturals, for example, 20438258 + ... + 20439344.

It is an arithmetic number, because the mean of its divisors is an integer number (1413834240).

Almost surely, 2^22216976687 is an apocalyptic number.

22216976687 is a deficient number, since it is larger than the sum of its proper divisors (404371153).

22216976687 is a wasteful number, since it uses less digits than its factorization.

22216976687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342.

The product of its digits is 6096384, while the sum is 56.

The spelling of 22216976687 in words is "twenty-two billion, two hundred sixteen million, nine hundred seventy-six thousand, six hundred eighty-seven".