22063447 has 8 divisors (see below), whose sum is σ = 25561376. Its totient is φ = 18652032.

The previous prime is 22063387. The next prime is 22063451. The reversal of 22063447 is 74436022.

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

It is a de Polignac number, because none of the positive numbers 2^k-22063447 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 (22063487) 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, 21078 + ... + 22099.

It is an arithmetic number, because the mean of its divisors is an integer number (3195172).

Almost surely, 2^22063447 is an apocalyptic number.

22063447 is a deficient number, since it is larger than the sum of its proper divisors (3497929).

22063447 is an equidigital number, since it uses as much as digits as its factorization.

22063447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43257.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 22063447 is about 4697.1743633806. The cubic root of 22063447 is about 280.4730396695.

Adding to 22063447 its reverse (74436022), we get a palindrome (96499469).

The spelling of 22063447 in words is "twenty-two million, sixty-three thousand, four hundred forty-seven".