22865903 has 2 divisors, whose sum is σ = 22865904. Its totient is φ = 22865902.

The previous prime is 22865893. The next prime is 22865939. The reversal of 22865903 is 30956822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22865903 - 2¹⁰ = 22864879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22865993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11432951 + 11432952.

It is an arithmetic number, because the mean of its divisors is an integer number (11432952).

Almost surely, 2^22865903 is an apocalyptic number.

22865903 is a deficient number, since it is larger than the sum of its proper divisors (1).

22865903 is an equidigital number, since it uses as much as digits as its factorization.

22865903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 22865903 is about 4781.8305072430. The cubic root of 22865903 is about 283.8329333808.

The spelling of 22865903 in words is "twenty-two million, eight hundred sixty-five thousand, nine hundred three".