22740833 has 2 divisors, whose sum is σ = 22740834. Its totient is φ = 22740832.

The previous prime is 22740811. The next prime is 22740841. The reversal of 22740833 is 33804722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18464209 + 4276624 = 4297^2 + 2068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22740833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22740796 and 22740805.

It is not a weakly prime, because it can be changed into another prime (22740863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11370416 + 11370417.

It is an arithmetic number, because the mean of its divisors is an integer number (11370417).

Almost surely, 2^22740833 is an apocalyptic number.

It is an amenable number.

22740833 is a deficient number, since it is larger than the sum of its proper divisors (1).

22740833 is an equidigital number, since it uses as much as digits as its factorization.

22740833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 22740833 is about 4768.7349475516. The cubic root of 22740833 is about 283.3144917882.

The spelling of 22740833 in words is "twenty-two million, seven hundred forty thousand, eight hundred thirty-three".