22289323 has 16 divisors (see below), whose sum is σ = 26772480. Its totient is φ = 18143136.

The previous prime is 22289321. The next prime is 22289381. The reversal of 22289323 is 32398222.

It is not a de Polignac number, because 22289323 - 2¹ = 22289321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22289321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26473 + ... + 27301.

It is an arithmetic number, because the mean of its divisors is an integer number (1673280).

Almost surely, 2^22289323 is an apocalyptic number.

22289323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22289323 is a deficient number, since it is larger than the sum of its proper divisors (4483157).

22289323 is a wasteful number, since it uses less digits than its factorization.

22289323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026.

The product of its digits is 10368, while the sum is 31.

The square root of 22289323 is about 4721.1569556625. The cubic root of 22289323 is about 281.4269123657.

The spelling of 22289323 in words is "twenty-two million, two hundred eighty-nine thousand, three hundred twenty-three".