22070663 has 2 divisors, whose sum is σ = 22070664. Its totient is φ = 22070662.

The previous prime is 22070627. The next prime is 22070677. The reversal of 22070663 is 36607022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22070663 - 2⁸ = 22070407 is a prime.

It is a super-2 number, since 2×22070663² = 974228330519138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22070603) 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, 11035331 + 11035332.

It is an arithmetic number, because the mean of its divisors is an integer number (11035332).

Almost surely, 2^22070663 is an apocalyptic number.

22070663 is a deficient number, since it is larger than the sum of its proper divisors (1).

22070663 is an equidigital number, since it uses as much as digits as its factorization.

22070663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 22070663 is about 4697.9424219545. The cubic root of 22070663 is about 280.5036132067.

Adding to 22070663 its reverse (36607022), we get a palindrome (58677685).

The spelling of 22070663 in words is "twenty-two million, seventy thousand, six hundred sixty-three".