22293289 has 8 divisors (see below), whose sum is σ = 23517440. Its totient is φ = 21074256.

The previous prime is 22293287. The next prime is 22293301. The reversal of 22293289 is 98239222.

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 22293289 - 2¹ = 22293287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22293287) 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 7 ways as a sum of consecutive naturals, for example, 10567 + ... + 12499.

It is an arithmetic number, because the mean of its divisors is an integer number (2939680).

Almost surely, 2^22293289 is an apocalyptic number.

It is an amenable number.

22293289 is a deficient number, since it is larger than the sum of its proper divisors (1224151).

22293289 is a wasteful number, since it uses less digits than its factorization.

22293289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559.

The product of its digits is 31104, while the sum is 37.

The square root of 22293289 is about 4721.5769611434. The cubic root of 22293289 is about 281.4436030617.

The spelling of 22293289 in words is "twenty-two million, two hundred ninety-three thousand, two hundred eighty-nine".