22271349 has 4 divisors (see below), whose sum is σ = 29695136. Its totient is φ = 14847564.

The previous prime is 22271341. The next prime is 22271393. The reversal of 22271349 is 94317222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22271349 - 2³ = 22271341 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 3711889 + ... + 3711894.

It is an arithmetic number, because the mean of its divisors is an integer number (7423784).

Almost surely, 2^22271349 is an apocalyptic number.

It is an amenable number.

22271349 is a deficient number, since it is larger than the sum of its proper divisors (7423787).

22271349 is an equidigital number, since it uses as much as digits as its factorization.

22271349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423786.

The product of its digits is 6048, while the sum is 30.

The square root of 22271349 is about 4719.2530129248. The cubic root of 22271349 is about 281.3512449320.

The spelling of 22271349 in words is "twenty-two million, two hundred seventy-one thousand, three hundred forty-nine".