22271342 has 16 divisors (see below), whose sum is σ = 34272720. Its totient is φ = 10850112.

The previous prime is 22271341. The next prime is 22271393. The reversal of 22271342 is 24317222.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 16634 + ... + 17922.

It is an arithmetic number, because the mean of its divisors is an integer number (2142045).

Almost surely, 2^22271342 is an apocalyptic number.

22271342 is a deficient number, since it is larger than the sum of its proper divisors (12001378).

22271342 is a wasteful number, since it uses less digits than its factorization.

22271342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507.

The product of its digits is 1344, while the sum is 23.

The square root of 22271342 is about 4719.2522712820. The cubic root of 22271342 is about 281.3512154553.

Adding to 22271342 its reverse (24317222), we get a palindrome (46588564).

The spelling of 22271342 in words is "twenty-two million, two hundred seventy-one thousand, three hundred forty-two".