22097275 has 18 divisors (see below), whose sum is σ = 28405052. Its totient is φ = 17052000.

The previous prime is 22097267. The next prime is 22097291. The reversal of 22097275 is 57279022.

It is not a de Polignac number, because 22097275 - 2³ = 22097267 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 22097275.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20500 + ... + 21550.

Almost surely, 2^22097275 is an apocalyptic number.

22097275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22097275 is a deficient number, since it is larger than the sum of its proper divisors (6307777).

22097275 is a wasteful number, since it uses less digits than its factorization.

22097275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 22097275 is about 4700.7738724597. The cubic root of 22097275 is about 280.6163082643.

The spelling of 22097275 in words is "twenty-two million, ninety-seven thousand, two hundred seventy-five".