22252689 has 12 divisors (see below), whose sum is σ = 32185296. Its totient is φ = 14815512.

The previous prime is 22252687. The next prime is 22252691. The reversal of 22252689 is 98625222.

It is an interprime number because it is at equal distance from previous prime (22252687) and next prime (22252691).

It is not a de Polignac number, because 22252689 - 2¹ = 22252687 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22252687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9642 + ... + 11724.

It is an arithmetic number, because the mean of its divisors is an integer number (2682108).

Almost surely, 2^22252689 is an apocalyptic number.

It is an amenable number.

22252689 is a deficient number, since it is larger than the sum of its proper divisors (9932607).

22252689 is a wasteful number, since it uses less digits than its factorization.

22252689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276 (or 3273 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 22252689 is about 4717.2755908469. The cubic root of 22252689 is about 281.2726464727.

The spelling of 22252689 in words is "twenty-two million, two hundred fifty-two thousand, six hundred eighty-nine".