22548147 has 4 divisors (see below), whose sum is σ = 30064200. Its totient is φ = 15032096.

The previous prime is 22548143. The next prime is 22548151. The reversal of 22548147 is 74184522.

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

It is an interprime number because it is at equal distance from previous prime (22548143) and next prime (22548151).

It is a cyclic number.

It is not a de Polignac number, because 22548147 - 2² = 22548143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22548143) 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, 3758022 + ... + 3758027.

It is an arithmetic number, because the mean of its divisors is an integer number (7516050).

Almost surely, 2^22548147 is an apocalyptic number.

22548147 is a deficient number, since it is larger than the sum of its proper divisors (7516053).

22548147 is an equidigital number, since it uses as much as digits as its factorization.

22548147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516052.

The product of its digits is 17920, while the sum is 33.

The square root of 22548147 is about 4748.4889175400. The cubic root of 22548147 is about 282.5120343635.

It can be divided in two parts, 2254 and 8147, that added together give a palindrome (10401).

The spelling of 22548147 in words is "twenty-two million, five hundred forty-eight thousand, one hundred forty-seven".