22007275 has 12 divisors (see below), whose sum is σ = 27738304. Its totient is φ = 17316000.

The previous prime is 22007273. The next prime is 22007287. The reversal of 22007275 is 57270022.

It is not a de Polignac number, because 22007275 - 2¹ = 22007273 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22007273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5691 + ... + 8740.

Almost surely, 2^22007275 is an apocalyptic number.

22007275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22007275 is a deficient number, since it is larger than the sum of its proper divisors (5731029).

22007275 is a wasteful number, since it uses less digits than its factorization.

22007275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14502 (or 14497 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 22007275 is about 4691.1912133274. The cubic root of 22007275 is about 280.2348157770.

Adding to 22007275 its reverse (57270022), we get a palindrome (79277297).

The spelling of 22007275 in words is "twenty-two million, seven thousand, two hundred seventy-five".