22246669 has 2 divisors, whose sum is σ = 22246670. Its totient is φ = 22246668.

The previous prime is 22246667. The next prime is 22246673. The reversal of 22246669 is 96664222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14152644 + 8094025 = 3762^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 22246669 - 2¹ = 22246667 is a prime.

It is a super-2 number, since 2×22246669² = 989828563191122, which contains 22 as substring.

Together with 22246667, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22246667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11123334 + 11123335.

It is an arithmetic number, because the mean of its divisors is an integer number (11123335).

Almost surely, 2^22246669 is an apocalyptic number.

It is an amenable number.

22246669 is a deficient number, since it is larger than the sum of its proper divisors (1).

22246669 is an equidigital number, since it uses as much as digits as its factorization.

22246669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 22246669 is about 4716.6374675186. The cubic root of 22246669 is about 281.2472800395.

The spelling of 22246669 in words is "twenty-two million, two hundred forty-six thousand, six hundred sixty-nine".