22606647 has 8 divisors (see below), whose sum is σ = 34448256. Its totient is φ = 12918072.

The previous prime is 22606643. The next prime is 22606679. The reversal of 22606647 is 74660622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22606647 - 2² = 22606643 is a prime.

It is a super-2 number, since 2×22606647² = 1022120977165218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22606643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538233 + ... + 538274.

It is an arithmetic number, because the mean of its divisors is an integer number (4306032).

Almost surely, 2^22606647 is an apocalyptic number.

22606647 is a deficient number, since it is larger than the sum of its proper divisors (11841609).

22606647 is a wasteful number, since it uses less digits than its factorization.

22606647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076517.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 22606647 is about 4754.6447816845. The cubic root of 22606647 is about 282.7561443237.

The spelling of 22606647 in words is "twenty-two million, six hundred six thousand, six hundred forty-seven".