22288895 has 8 divisors (see below), whose sum is σ = 26776656. Its totient is φ = 17811136.

The previous prime is 22288879. The next prime is 22288897. The reversal of 22288895 is 59888222.

It is a happy number.

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 22288895 - 2⁴ = 22288879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22288897) 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, 3899 + ... + 7731.

It is an arithmetic number, because the mean of its divisors is an integer number (3347082).

Almost surely, 2^22288895 is an apocalyptic number.

22288895 is a deficient number, since it is larger than the sum of its proper divisors (4487761).

22288895 is a wasteful number, since it uses less digits than its factorization.

22288895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001.

The product of its digits is 184320, while the sum is 44.

The square root of 22288895 is about 4721.1116275725. Note that the first 3 decimals coincide. The cubic root of 22288895 is about 281.4251110326.

The spelling of 22288895 in words is "twenty-two million, two hundred eighty-eight thousand, eight hundred ninety-five".