22729983 has 4 divisors (see below), whose sum is σ = 30306648. Its totient is φ = 15153320.

The previous prime is 22729981. The next prime is 22729991. The reversal of 22729983 is 38992722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22729983 - 2¹ = 22729981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22729981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788328 + ... + 3788333.

It is an arithmetic number, because the mean of its divisors is an integer number (7576662).

Almost surely, 2^22729983 is an apocalyptic number.

22729983 is a deficient number, since it is larger than the sum of its proper divisors (7576665).

22729983 is an equidigital number, since it uses as much as digits as its factorization.

22729983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576664.

The product of its digits is 108864, while the sum is 42.

The square root of 22729983 is about 4767.5971935557. The cubic root of 22729983 is about 283.2694267248.

The spelling of 22729983 in words is "twenty-two million, seven hundred twenty-nine thousand, nine hundred eighty-three".