22234447 has 4 divisors (see below), whose sum is σ = 22835416. Its totient is φ = 21633480.

The previous prime is 22234417. The next prime is 22234451. The reversal of 22234447 is 74443222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22234447 - 2⁷ = 22234319 is a prime.

It is a pancake number, because a pancake can be divided into 22234447 parts by 6668 straight cuts.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300429 + ... + 300502.

It is an arithmetic number, because the mean of its divisors is an integer number (5708854).

Almost surely, 2^22234447 is an apocalyptic number.

22234447 is a deficient number, since it is larger than the sum of its proper divisors (600969).

22234447 is an equidigital number, since it uses as much as digits as its factorization.

22234447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600968.

The product of its digits is 10752, while the sum is 28.

The square root of 22234447 is about 4715.3416631247. The cubic root of 22234447 is about 281.1957662011.

Adding to 22234447 its reverse (74443222), we get a palindrome (96677669).

It can be divided in two parts, 2223 and 4447, that multiplied together give a triangular number (9885681 = T₄₄₄₆).

The spelling of 22234447 in words is "twenty-two million, two hundred thirty-four thousand, four hundred forty-seven".