22862729 has 2 divisors, whose sum is σ = 22862730. Its totient is φ = 22862728.

The previous prime is 22862711. The next prime is 22862731. The reversal of 22862729 is 92726822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22543504 + 319225 = 4748^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 22862729 - 2¹⁶ = 22797193 is a prime.

Together with 22862731, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22862692 and 22862701.

It is not a weakly prime, because it can be changed into another prime (22862029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11431364 + 11431365.

It is an arithmetic number, because the mean of its divisors is an integer number (11431365).

Almost surely, 2^22862729 is an apocalyptic number.

It is an amenable number.

22862729 is a deficient number, since it is larger than the sum of its proper divisors (1).

22862729 is an equidigital number, since it uses as much as digits as its factorization.

22862729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 22862729 is about 4781.4986144513. The cubic root of 22862729 is about 283.8197998894.

The spelling of 22862729 in words is "twenty-two million, eight hundred sixty-two thousand, seven hundred twenty-nine".