22126669 has 2 divisors, whose sum is σ = 22126670. Its totient is φ = 22126668.

The previous prime is 22126661. The next prime is 22126693. The reversal of 22126669 is 96662122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17330569 + 4796100 = 4163^2 + 2190^2 .

It is a cyclic number.

It is not a de Polignac number, because 22126669 - 2³ = 22126661 is a prime.

It is a super-2 number, since 2×22126669² = 979178962071122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22126661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11063334 + 11063335.

It is an arithmetic number, because the mean of its divisors is an integer number (11063335).

Almost surely, 2^22126669 is an apocalyptic number.

It is an amenable number.

22126669 is a deficient number, since it is larger than the sum of its proper divisors (1).

22126669 is an equidigital number, since it uses as much as digits as its factorization.

22126669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 22126669 is about 4703.8993399094. The cubic root of 22126669 is about 280.7406792721.

The spelling of 22126669 in words is "twenty-two million, one hundred twenty-six thousand, six hundred sixty-nine".