22302275 has 6 divisors (see below), whose sum is σ = 27654852. Its totient is φ = 17841800.

The previous prime is 22302263. The next prime is 22302311. The reversal of 22302275 is 57220322.

It is not a de Polignac number, because 22302275 - 2⁶ = 22302211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22302275.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 446021 + ... + 446070.

It is an arithmetic number, because the mean of its divisors is an integer number (4609142).

Almost surely, 2^22302275 is an apocalyptic number.

22302275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22302275 is a deficient number, since it is larger than the sum of its proper divisors (5352577).

22302275 is an equidigital number, since it uses as much as digits as its factorization.

22302275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892101 (or 892096 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22302275 is about 4722.5284541229. The cubic root of 22302275 is about 281.4814128332.

Adding to 22302275 its reverse (57220322), we get a palindrome (79522597).

The spelling of 22302275 in words is "twenty-two million, three hundred two thousand, two hundred seventy-five".