22232247 has 8 divisors (see below), whose sum is σ = 30332544. Its totient is φ = 14476728.

The previous prime is 22232233. The next prime is 22232257. The reversal of 22232247 is 74223222.

It is a happy number.

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

It is not a de Polignac number, because 22232247 - 2¹⁵ = 22199479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232257) 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, 86043 + ... + 86300.

It is an arithmetic number, because the mean of its divisors is an integer number (3791568).

Almost surely, 2^22232247 is an apocalyptic number.

22232247 is a deficient number, since it is larger than the sum of its proper divisors (8100297).

22232247 is a wasteful number, since it uses less digits than its factorization.

22232247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172389.

The product of its digits is 2688, while the sum is 24.

The square root of 22232247 is about 4715.1083762730. The cubic root of 22232247 is about 281.1864915369.

Adding to 22232247 its reverse (74223222), we get a palindrome (96455469).

The spelling of 22232247 in words is "twenty-two million, two hundred thirty-two thousand, two hundred forty-seven".