22022020687 has 2 divisors, whose sum is σ = 22022020688. Its totient is φ = 22022020686.

The previous prime is 22022020681. The next prime is 22022020693. The reversal of 22022020687 is 78602022022.

It is a balanced prime because it is at equal distance from previous prime (22022020681) and next prime (22022020693).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22022020687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022020681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011010343 + 11011010344.

It is an arithmetic number, because the mean of its divisors is an integer number (11011010344).

Almost surely, 2^22022020687 is an apocalyptic number.

22022020687 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022020687 is an equidigital number, since it uses as much as digits as its factorization.

22022020687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 22022020687 in words is "twenty-two billion, twenty-two million, twenty thousand, six hundred eighty-seven".