22616147 has 4 divisors (see below), whose sum is σ = 22626240. Its totient is φ = 22606056.

The previous prime is 22616141. The next prime is 22616149. The reversal of 22616147 is 74161622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22616147 is a prime.

It is a super-2 number, since 2×22616147² = 1022980210251218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22616141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 6725.

It is an arithmetic number, because the mean of its divisors is an integer number (5656560).

Almost surely, 2^22616147 is an apocalyptic number.

22616147 is a deficient number, since it is larger than the sum of its proper divisors (10093).

22616147 is an equidigital number, since it uses as much as digits as its factorization.

22616147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10092.

The product of its digits is 4032, while the sum is 29.

The square root of 22616147 is about 4755.6436998581. The cubic root of 22616147 is about 282.7957463514.

Adding to 22616147 its reverse (74161622), we get a palindrome (96777769).

The spelling of 22616147 in words is "twenty-two million, six hundred sixteen thousand, one hundred forty-seven".