22282887 has 8 divisors (see below), whose sum is σ = 32411520. Its totient is φ = 13504760.

The previous prime is 22282879. The next prime is 22282889. The reversal of 22282887 is 78828222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22282887 - 2³ = 22282879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22282889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337587 + ... + 337652.

It is an arithmetic number, because the mean of its divisors is an integer number (4051440).

Almost surely, 2^22282887 is an apocalyptic number.

22282887 is a deficient number, since it is larger than the sum of its proper divisors (10128633).

22282887 is a wasteful number, since it uses less digits than its factorization.

22282887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675253.

The product of its digits is 57344, while the sum is 39.

The square root of 22282887 is about 4720.4752938661. The cubic root of 22282887 is about 281.3998225947.

It can be divided in two parts, 2228 and 2887, that added together give a palindrome (5115).

The spelling of 22282887 in words is "twenty-two million, two hundred eighty-two thousand, eight hundred eighty-seven".