22672147 has 2 divisors, whose sum is σ = 22672148. Its totient is φ = 22672146.

The previous prime is 22672141. The next prime is 22672163. The reversal of 22672147 is 74127622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22672147 - 2¹¹ = 22670099 is a prime.

It is not a weakly prime, because it can be changed into another prime (22672141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11336073 + 11336074.

It is an arithmetic number, because the mean of its divisors is an integer number (11336074).

Almost surely, 2^22672147 is an apocalyptic number.

22672147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22672147 is an equidigital number, since it uses as much as digits as its factorization.

22672147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 31.

The square root of 22672147 is about 4761.5278010319. The cubic root of 22672147 is about 283.0289648087.

Adding to 22672147 its reverse (74127622), we get a palindrome (96799769).

The spelling of 22672147 in words is "twenty-two million, six hundred seventy-two thousand, one hundred forty-seven".