23022819 has 16 divisors (see below), whose sum is σ = 34339840. Its totient is φ = 15244200.

The previous prime is 23022767. The next prime is 23022827. The reversal of 23022819 is 91822032.

It is a happy number.

It is not a de Polignac number, because 23022819 - 2⁷ = 23022691 is a prime.

It is a super-4 number, since 4×23022819⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23022792 and 23022801.

It is not an unprimeable number, because it can be changed into a prime (23022859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1254 + ... + 6900.

It is an arithmetic number, because the mean of its divisors is an integer number (2146240).

Almost surely, 2^23022819 is an apocalyptic number.

23022819 is a deficient number, since it is larger than the sum of its proper divisors (11317021).

23022819 is a wasteful number, since it uses less digits than its factorization.

23022819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807 (or 5801 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 23022819 is about 4798.2099787317. The cubic root of 23022819 is about 284.4807164652.

The spelling of 23022819 in words is "twenty-three million, twenty-two thousand, eight hundred nineteen".