22881395 has 4 divisors (see below), whose sum is σ = 27457680. Its totient is φ = 18305112.

The previous prime is 22881311. The next prime is 22881401. The reversal of 22881395 is 59318822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59318822 = 2 ⋅29659411.

It is a cyclic number.

It is not a de Polignac number, because 22881395 - 2¹⁰ = 22880371 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2288135 + ... + 2288144.

It is an arithmetic number, because the mean of its divisors is an integer number (6864420).

Almost surely, 2^22881395 is an apocalyptic number.

22881395 is a deficient number, since it is larger than the sum of its proper divisors (4576285).

22881395 is an equidigital number, since it uses as much as digits as its factorization.

22881395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576284.

The product of its digits is 34560, while the sum is 38.

The square root of 22881395 is about 4783.4501147185. The cubic root of 22881395 is about 283.8970192985.

The spelling of 22881395 in words is "twenty-two million, eight hundred eighty-one thousand, three hundred ninety-five".