22941647 has 2 divisors, whose sum is σ = 22941648. Its totient is φ = 22941646.

The previous prime is 22941631. The next prime is 22941689. The reversal of 22941647 is 74614922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22941647 - 2⁴ = 22941631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22941617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11470823 + 11470824.

It is an arithmetic number, because the mean of its divisors is an integer number (11470824).

Almost surely, 2^22941647 is an apocalyptic number.

22941647 is a deficient number, since it is larger than the sum of its proper divisors (1).

22941647 is an equidigital number, since it uses as much as digits as its factorization.

22941647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 22941647 is about 4789.7439388761. The cubic root of 22941647 is about 284.1459897103.

The spelling of 22941647 in words is "twenty-two million, nine hundred forty-one thousand, six hundred forty-seven".