22463643 has 8 divisors (see below), whose sum is σ = 31528000. Its totient is φ = 14187528.

The previous prime is 22463627. The next prime is 22463657. The reversal of 22463643 is 34636422.

It is a happy number.

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

It is not a de Polignac number, because 22463643 - 2⁴ = 22463627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22463643.

It is not an unprimeable number, because it can be changed into a prime (22463143) 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 7 ways as a sum of consecutive naturals, for example, 196993 + ... + 197106.

It is an arithmetic number, because the mean of its divisors is an integer number (3941000).

Almost surely, 2^22463643 is an apocalyptic number.

22463643 is a deficient number, since it is larger than the sum of its proper divisors (9064357).

22463643 is a wasteful number, since it uses less digits than its factorization.

22463643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394121.

The product of its digits is 20736, while the sum is 30.

The square root of 22463643 is about 4739.5825765567. The cubic root of 22463643 is about 282.1586678133.

The spelling of 22463643 in words is "twenty-two million, four hundred sixty-three thousand, six hundred forty-three".