22216234677 has 64 divisors (see below), whose sum is σ = 36739422720. Its totient is φ = 11628232704.

The previous prime is 22216234673. The next prime is 22216234687. The reversal of 22216234677 is 77643261222.

It is not a de Polignac number, because 22216234677 - 2² = 22216234673 is a prime.

It is a super-2 number, since 2×22216234677² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22216234673) 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 63 ways as a sum of consecutive naturals, for example, 25922833 + ... + 25923689.

It is an arithmetic number, because the mean of its divisors is an integer number (574053480).

Almost surely, 2^22216234677 is an apocalyptic number.

It is an amenable number.

22216234677 is a deficient number, since it is larger than the sum of its proper divisors (14523188043).

22216234677 is a wasteful number, since it uses less digits than its factorization.

22216234677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502.

The product of its digits is 338688, while the sum is 42.

Adding to 22216234677 its reverse (77643261222), we get a palindrome (99859495899).

The spelling of 22216234677 in words is "twenty-two billion, two hundred sixteen million, two hundred thirty-four thousand, six hundred seventy-seven".