1822828829 has 2 divisors, whose sum is σ = 1822828830. Its totient is φ = 1822828828.

The previous prime is 1822828811. The next prime is 1822828879. The reversal of 1822828829 is 9288282281.

It is an a-pointer prime, because the next prime (1822828879) can be obtained adding 1822828829 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1183497604 + 639331225 = 34402^2 + 25285^2 .

It is an emirp because it is prime and its reverse (9288282281) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1822828829 is a prime.

It is a super-2 number, since 2×1822828829² = 6645409879667022482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1822828879) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 911414414 + 911414415.

It is an arithmetic number, because the mean of its divisors is an integer number (911414415).

Almost surely, 2^1822828829 is an apocalyptic number.

It is an amenable number.

1822828829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1822828829 is an equidigital number, since it uses as much as digits as its factorization.

1822828829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 589824, while the sum is 50.

The square root of 1822828829 is about 42694.5995296829. The cubic root of 1822828829 is about 1221.5613863610.

The spelling of 1822828829 in words is "one billion, eight hundred twenty-two million, eight hundred twenty-eight thousand, eight hundred twenty-nine".