22000887 has 24 divisors (see below), whose sum is σ = 32912880. Its totient is φ = 14152320.

The previous prime is 22000877. The next prime is 22000897. The reversal of 22000887 is 78800022.

It is an interprime number because it is at equal distance from previous prime (22000877) and next prime (22000897).

It is not a de Polignac number, because 22000887 - 2¹¹ = 21998839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22000887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000817) 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 23 ways as a sum of consecutive naturals, for example, 39948 + ... + 40494.

It is an arithmetic number, because the mean of its divisors is an integer number (1371370).

Almost surely, 2^22000887 is an apocalyptic number.

22000887 is a deficient number, since it is larger than the sum of its proper divisors (10911993).

22000887 is a wasteful number, since it uses less digits than its factorization.

22000887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 22000887 is about 4690.5103133881. The cubic root of 22000887 is about 280.2076987860.

The spelling of 22000887 in words is "twenty-two million, eight hundred eighty-seven", and thus it is an aban number.