22245171 has 8 divisors (see below), whose sum is σ = 31941840. Its totient is φ = 13689312.

The previous prime is 22245161. The next prime is 22245187. The reversal of 22245171 is 17154222.

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

It is not a de Polignac number, because 22245171 - 2¹⁰ = 22244147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22245121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285156 + ... + 285233.

It is an arithmetic number, because the mean of its divisors is an integer number (3992730).

Almost surely, 2^22245171 is an apocalyptic number.

22245171 is a deficient number, since it is larger than the sum of its proper divisors (9696669).

22245171 is a wasteful number, since it uses less digits than its factorization.

22245171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570405.

The product of its digits is 1120, while the sum is 24.

The square root of 22245171 is about 4716.4786652756. The cubic root of 22245171 is about 281.2409672161.

Adding to 22245171 its reverse (17154222), we get a palindrome (39399393).

The spelling of 22245171 in words is "twenty-two million, two hundred forty-five thousand, one hundred seventy-one".