22650887 has 6 divisors (see below), whose sum is σ = 26349048. Its totient is φ = 19415004.

The previous prime is 22650877. The next prime is 22650889. The reversal of 22650887 is 78805622.

It is not a de Polignac number, because 22650887 - 2¹⁶ = 22585351 is a prime.

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 22650887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22650889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 231083 + ... + 231180.

It is an arithmetic number, because the mean of its divisors is an integer number (4391508).

Almost surely, 2^22650887 is an apocalyptic number.

22650887 is a deficient number, since it is larger than the sum of its proper divisors (3698161).

22650887 is an equidigital number, since it uses as much as digits as its factorization.

22650887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462277 (or 462270 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 22650887 is about 4759.2948007031. The cubic root of 22650887 is about 282.9404703582.

The spelling of 22650887 in words is "twenty-two million, six hundred fifty thousand, eight hundred eighty-seven".