922890049 has 2 divisors, whose sum is σ = 922890050. Its totient is φ = 922890048.

The previous prime is 922890043. The next prime is 922890121. The reversal of 922890049 is 940098229.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 717168400 + 205721649 = 26780^2 + 14343^2 .

It is a cyclic number.

It is not a de Polignac number, because 922890049 - 2⁷ = 922889921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 922889987 and 922890014.

It is not a weakly prime, because it can be changed into another prime (922890043) 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, 461445024 + 461445025.

It is an arithmetic number, because the mean of its divisors is an integer number (461445025).

Almost surely, 2^922890049 is an apocalyptic number.

It is an amenable number.

922890049 is a deficient number, since it is larger than the sum of its proper divisors (1).

922890049 is an equidigital number, since it uses as much as digits as its factorization.

922890049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 922890049 is about 30379.1054674097. The cubic root of 922890049 is about 973.6061781091.

The spelling of 922890049 in words is "nine hundred twenty-two million, eight hundred ninety thousand, forty-nine".