22063697 has 2 divisors, whose sum is σ = 22063698. Its totient is φ = 22063696.

The previous prime is 22063669. The next prime is 22063759. The reversal of 22063697 is 79636022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17774656 + 4289041 = 4216^2 + 2071^2 .

It is a cyclic number.

It is not a de Polignac number, because 22063697 - 2¹⁰ = 22062673 is a prime.

It is not a weakly prime, because it can be changed into another prime (22063597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11031848 + 11031849.

It is an arithmetic number, because the mean of its divisors is an integer number (11031849).

Almost surely, 2^22063697 is an apocalyptic number.

It is an amenable number.

22063697 is a deficient number, since it is larger than the sum of its proper divisors (1).

22063697 is an equidigital number, since it uses as much as digits as its factorization.

22063697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 22063697 is about 4697.2009750489. The cubic root of 22063697 is about 280.4740990083.

The spelling of 22063697 in words is "twenty-two million, sixty-three thousand, six hundred ninety-seven".