22228669 has 2 divisors, whose sum is σ = 22228670. Its totient is φ = 22228668.

The previous prime is 22228667. The next prime is 22228691. The reversal of 22228669 is 96682222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21040569 + 1188100 = 4587^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 22228669 - 2¹ = 22228667 is a prime.

It is a super-2 number, since 2×22228669² = 988227451023122, which contains 22 as substring.

Together with 22228667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22228667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11114334 + 11114335.

It is an arithmetic number, because the mean of its divisors is an integer number (11114335).

Almost surely, 2^22228669 is an apocalyptic number.

It is an amenable number.

22228669 is a deficient number, since it is larger than the sum of its proper divisors (1).

22228669 is an equidigital number, since it uses as much as digits as its factorization.

22228669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 22228669 is about 4714.7289423677. The cubic root of 22228669 is about 281.1714062535.

The spelling of 22228669 in words is "twenty-two million, two hundred twenty-eight thousand, six hundred sixty-nine".