22044469 has 2 divisors, whose sum is σ = 22044470. Its totient is φ = 22044468.

The previous prime is 22044443. The next prime is 22044481. The reversal of 22044469 is 96444022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22043025 + 1444 = 4695^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 22044469 - 2¹⁵ = 22011701 is a prime.

It is a super-2 number, since 2×22044469² = 971917226983922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22044469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22044409) 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, 11022234 + 11022235.

It is an arithmetic number, because the mean of its divisors is an integer number (11022235).

Almost surely, 2^22044469 is an apocalyptic number.

It is an amenable number.

22044469 is a deficient number, since it is larger than the sum of its proper divisors (1).

22044469 is an equidigital number, since it uses as much as digits as its factorization.

22044469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 22044469 is about 4695.1537780993. The cubic root of 22044469 is about 280.3925997723.

The spelling of 22044469 in words is "twenty-two million, forty-four thousand, four hundred sixty-nine".