22441247 has 4 divisors (see below), whose sum is σ = 22647240. Its totient is φ = 22235256.

The previous prime is 22441193. The next prime is 22441249. The reversal of 22441247 is 74214422.

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 22441247 - 2⁸ = 22440991 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 (22441249) 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, 102833 + ... + 103050.

It is an arithmetic number, because the mean of its divisors is an integer number (5661810).

Almost surely, 2^22441247 is an apocalyptic number.

22441247 is a deficient number, since it is larger than the sum of its proper divisors (205993).

22441247 is a wasteful number, since it uses less digits than its factorization.

22441247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205992.

The product of its digits is 3584, while the sum is 26.

The square root of 22441247 is about 4737.2193320555. The cubic root of 22441247 is about 282.0648669584.

Adding to 22441247 its reverse (74214422), we get a palindrome (96655669).

The spelling of 22441247 in words is "twenty-two million, four hundred forty-one thousand, two hundred forty-seven".