22606443 has 6 divisors (see below), whose sum is σ = 32653764. Its totient is φ = 15070956.

The previous prime is 22606439. The next prime is 22606459. The reversal of 22606443 is 34460622.

It is not a de Polignac number, because 22606443 - 2² = 22606439 is a prime.

It is a super-2 number, since 2×22606443² = 1022102530224498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22606043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1255905 + ... + 1255922.

It is an arithmetic number, because the mean of its divisors is an integer number (5442294).

Almost surely, 2^22606443 is an apocalyptic number.

22606443 is a deficient number, since it is larger than the sum of its proper divisors (10047321).

22606443 is a wasteful number, since it uses less digits than its factorization.

22606443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511833 (or 2511830 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 22606443 is about 4754.6233289294. The cubic root of 22606443 is about 282.7552938006.

The spelling of 22606443 in words is "twenty-two million, six hundred six thousand, four hundred forty-three".