22976143 has 4 divisors (see below), whose sum is σ = 23253048. Its totient is φ = 22699240.

The previous prime is 22976141. The next prime is 22976159. The reversal of 22976143 is 34167922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34167922 = 2 ⋅17083961.

It is a cyclic number.

It is not a de Polignac number, because 22976143 - 2¹ = 22976141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22976099 and 22976108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22976141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138328 + ... + 138493.

It is an arithmetic number, because the mean of its divisors is an integer number (5813262).

Almost surely, 2^22976143 is an apocalyptic number.

22976143 is a deficient number, since it is larger than the sum of its proper divisors (276905).

22976143 is an equidigital number, since it uses as much as digits as its factorization.

22976143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276904.

The product of its digits is 18144, while the sum is 34.

The square root of 22976143 is about 4793.3436138045. The cubic root of 22976143 is about 284.2883362372.

The spelling of 22976143 in words is "twenty-two million, nine hundred seventy-six thousand, one hundred forty-three".