22606847 has 2 divisors, whose sum is σ = 22606848. Its totient is φ = 22606846.

The previous prime is 22606841. The next prime is 22606849. The reversal of 22606847 is 74860622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22606847 - 2¹⁰ = 22605823 is a prime.

It is a super-2 number, since 2×22606847² = 1022139062562818, which contains 22 as substring.

Together with 22606849, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22606841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11303423 + 11303424.

It is an arithmetic number, because the mean of its divisors is an integer number (11303424).

Almost surely, 2^22606847 is an apocalyptic number.

22606847 is a deficient number, since it is larger than the sum of its proper divisors (1).

22606847 is an equidigital number, since it uses as much as digits as its factorization.

22606847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 22606847 is about 4754.6658137034. The cubic root of 22606847 is about 282.7569781649.

The spelling of 22606847 in words is "twenty-two million, six hundred six thousand, eight hundred forty-seven".