22271347 has 8 divisors (see below), whose sum is σ = 25504352. Its totient is φ = 19051200.

The previous prime is 22271341. The next prime is 22271393. The reversal of 22271347 is 74317222.

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

It is not a de Polignac number, because 22271347 - 2³ = 22271339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22271341) 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, 847 + ... + 6727.

It is an arithmetic number, because the mean of its divisors is an integer number (3188044).

Almost surely, 2^22271347 is an apocalyptic number.

22271347 is a deficient number, since it is larger than the sum of its proper divisors (3233005).

22271347 is an equidigital number, since it uses as much as digits as its factorization.

22271347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429.

The product of its digits is 4704, while the sum is 28.

The square root of 22271347 is about 4719.2528010269. The cubic root of 22271347 is about 281.3512365101.

Adding to 22271347 its reverse (74317222), we get a palindrome (96588569).

The spelling of 22271347 in words is "twenty-two million, two hundred seventy-one thousand, three hundred forty-seven".