22052747 has 2 divisors, whose sum is σ = 22052748. Its totient is φ = 22052746.

The previous prime is 22052707. The next prime is 22052761. The reversal of 22052747 is 74725022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22052747 - 2⁶ = 22052683 is a prime.

It is not a weakly prime, because it can be changed into another prime (22052707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11026373 + 11026374.

It is an arithmetic number, because the mean of its divisors is an integer number (11026374).

Almost surely, 2^22052747 is an apocalyptic number.

22052747 is a deficient number, since it is larger than the sum of its proper divisors (1).

22052747 is an equidigital number, since it uses as much as digits as its factorization.

22052747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 22052747 is about 4696.0352426276. The cubic root of 22052747 is about 280.4276924671.

Adding to 22052747 its reverse (74725022), we get a palindrome (96777769).

The spelling of 22052747 in words is "twenty-two million, fifty-two thousand, seven hundred forty-seven".