22275207 has 6 divisors (see below), whose sum is σ = 32175312. Its totient is φ = 14850132.

The previous prime is 22275203. The next prime is 22275217. The reversal of 22275207 is 70257222.

It is a happy number.

It is not a de Polignac number, because 22275207 - 2² = 22275203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22275203) 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 5 ways as a sum of consecutive naturals, for example, 1237503 + ... + 1237520.

It is an arithmetic number, because the mean of its divisors is an integer number (5362552).

Almost surely, 2^22275207 is an apocalyptic number.

22275207 is a deficient number, since it is larger than the sum of its proper divisors (9900105).

22275207 is a wasteful number, since it uses less digits than its factorization.

22275207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475029 (or 2475026 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 22275207 is about 4719.6617463543. The cubic root of 22275207 is about 281.3674898757.

The spelling of 22275207 in words is "twenty-two million, two hundred seventy-five thousand, two hundred seven".