22148265 has 8 divisors (see below), whose sum is σ = 35437248. Its totient is φ = 11812400.

The previous prime is 22148249. The next prime is 22148267. The reversal of 22148265 is 56284122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22148265 - 2⁴ = 22148249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22148267) 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 7 ways as a sum of consecutive naturals, for example, 738261 + ... + 738290.

It is an arithmetic number, because the mean of its divisors is an integer number (4429656).

Almost surely, 2^22148265 is an apocalyptic number.

It is an amenable number.

22148265 is a deficient number, since it is larger than the sum of its proper divisors (13288983).

22148265 is a wasteful number, since it uses less digits than its factorization.

22148265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476559.

The product of its digits is 7680, while the sum is 30.

The square root of 22148265 is about 4706.1943223798. The cubic root of 22148265 is about 280.8319854434.

The spelling of 22148265 in words is "twenty-two million, one hundred forty-eight thousand, two hundred sixty-five".