22298887 has 8 divisors (see below), whose sum is σ = 24071040. Its totient is φ = 20534880.

The previous prime is 22298851. The next prime is 22298921. The reversal of 22298887 is 78889222.

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 22298887 - 2¹¹ = 22296839 is a prime.

It is a super-2 number, since 2×22298887² = 994480722877538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22298807) 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, 4437 + ... + 8017.

It is an arithmetic number, because the mean of its divisors is an integer number (3008880).

Almost surely, 2^22298887 is an apocalyptic number.

22298887 is a deficient number, since it is larger than the sum of its proper divisors (1772153).

22298887 is a wasteful number, since it uses less digits than its factorization.

22298887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073.

The product of its digits is 258048, while the sum is 46.

The square root of 22298887 is about 4722.1697343488. The cubic root of 22298887 is about 281.4671585726.

The spelling of 22298887 in words is "twenty-two million, two hundred ninety-eight thousand, eight hundred eighty-seven".