22303145 has 8 divisors (see below), whose sum is σ = 27333504. Its totient is φ = 17462704.

The previous prime is 22303103. The next prime is 22303147. The reversal of 22303145 is 54130322.

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 22303145 - 2¹⁸ = 22041001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22303147) 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, 47219 + ... + 47688.

It is an arithmetic number, because the mean of its divisors is an integer number (3416688).

Almost surely, 2^22303145 is an apocalyptic number.

It is an amenable number.

22303145 is a deficient number, since it is larger than the sum of its proper divisors (5030359).

22303145 is an equidigital number, since it uses as much as digits as its factorization.

22303145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94959.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22303145 is about 4722.6205648983. The cubic root of 22303145 is about 281.4850729328.

Adding to 22303145 its reverse (54130322), we get a palindrome (76433467).

The spelling of 22303145 in words is "twenty-two million, three hundred three thousand, one hundred forty-five".