22155273 has 48 divisors (see below), whose sum is σ = 39137280. Its totient is φ = 11796192.

The previous prime is 22155253. The next prime is 22155299. The reversal of 22155273 is 37255122.

It is not a de Polignac number, because 22155273 - 2⁵ = 22155241 is a prime.

It is a super-2 number, since 2×22155273² = 981712243409058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22155223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99240 + ... + 99462.

It is an arithmetic number, because the mean of its divisors is an integer number (815360).

Almost surely, 2^22155273 is an apocalyptic number.

It is an amenable number.

22155273 is a deficient number, since it is larger than the sum of its proper divisors (16982007).

22155273 is a wasteful number, since it uses less digits than its factorization.

22155273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 335 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 22155273 is about 4706.9388141339. The cubic root of 22155273 is about 280.8616019546.

The spelling of 22155273 in words is "twenty-two million, one hundred fifty-five thousand, two hundred seventy-three".