22264709 has 2 divisors, whose sum is σ = 22264710. Its totient is φ = 22264708.

The previous prime is 22264691. The next prime is 22264741. The reversal of 22264709 is 90746222.

It is an a-pointer prime, because the next prime (22264741) can be obtained adding 22264709 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16728100 + 5536609 = 4090^2 + 2353^2 .

It is a cyclic number.

It is not a de Polignac number, because 22264709 - 2¹² = 22260613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22264009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11132354 + 11132355.

It is an arithmetic number, because the mean of its divisors is an integer number (11132355).

Almost surely, 2^22264709 is an apocalyptic number.

It is an amenable number.

22264709 is a deficient number, since it is larger than the sum of its proper divisors (1).

22264709 is an equidigital number, since it uses as much as digits as its factorization.

22264709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 22264709 is about 4718.5494593148. The cubic root of 22264709 is about 281.3232813818.

The spelling of 22264709 in words is "twenty-two million, two hundred sixty-four thousand, seven hundred nine".