22271234 has 4 divisors (see below), whose sum is σ = 33406854. Its totient is φ = 11135616.

The previous prime is 22271231. The next prime is 22271239. The reversal of 22271234 is 43217222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43217222 = 2 ⋅21608611.

It can be written as a sum of positive squares in only one way, i.e., 14845609 + 7425625 = 3853^2 + 2725^2 .

It is not an unprimeable number, because it can be changed into a prime (22271231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5567807 + ... + 5567810.

Almost surely, 2^22271234 is an apocalyptic number.

22271234 is a deficient number, since it is larger than the sum of its proper divisors (11135620).

22271234 is a wasteful number, since it uses less digits than its factorization.

22271234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135619.

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

The square root of 22271234 is about 4719.2408287774. The cubic root of 22271234 is about 281.3507606708.

Adding to 22271234 its reverse (43217222), we get a palindrome (65488456).

The spelling of 22271234 in words is "twenty-two million, two hundred seventy-one thousand, two hundred thirty-four".