22712843 has 2 divisors, whose sum is σ = 22712844. Its totient is φ = 22712842.

The previous prime is 22712813. The next prime is 22712861. The reversal of 22712843 is 34821722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22712843 - 2¹² = 22708747 is a prime.

It is not a weakly prime, because it can be changed into another prime (22712813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11356421 + 11356422.

It is an arithmetic number, because the mean of its divisors is an integer number (11356422).

Almost surely, 2^22712843 is an apocalyptic number.

22712843 is a deficient number, since it is larger than the sum of its proper divisors (1).

22712843 is an equidigital number, since it uses as much as digits as its factorization.

22712843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 22712843 is about 4765.7993033698. The cubic root of 22712843 is about 283.1982071543.

The spelling of 22712843 in words is "twenty-two million, seven hundred twelve thousand, eight hundred forty-three".