22646043 has 24 divisors (see below), whose sum is σ = 39353600. Its totient is φ = 12258864.

The previous prime is 22646021. The next prime is 22646051. The reversal of 22646043 is 34064622.

It is not a de Polignac number, because 22646043 - 2⁶ = 22645979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22645998 and 22646016.

It is not an unprimeable number, because it can be changed into a prime (22646083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8263 + ... + 10656.

Almost surely, 2^22646043 is an apocalyptic number.

22646043 is a deficient number, since it is larger than the sum of its proper divisors (16707557).

22646043 is a wasteful number, since it uses less digits than its factorization.

22646043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18951 (or 18948 counting only the distinct ones).

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

The square root of 22646043 is about 4758.7858745693. The cubic root of 22646043 is about 282.9202995314.

The spelling of 22646043 in words is "twenty-two million, six hundred forty-six thousand, forty-three".