978422299 has 2 divisors, whose sum is σ = 978422300. Its totient is φ = 978422298.

The previous prime is 978422293. The next prime is 978422303. The reversal of 978422299 is 992224879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 978422299 - 2¹¹ = 978420251 is a prime.

It is not a weakly prime, because it can be changed into another prime (978422293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489211149 + 489211150.

It is an arithmetic number, because the mean of its divisors is an integer number (489211150).

Almost surely, 2^978422299 is an apocalyptic number.

978422299 is a deficient number, since it is larger than the sum of its proper divisors (1).

978422299 is an equidigital number, since it uses as much as digits as its factorization.

978422299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 978422299 is about 31279.7426300154. The cubic root of 978422299 is about 992.7550707600.

The spelling of 978422299 in words is "nine hundred seventy-eight million, four hundred twenty-two thousand, two hundred ninety-nine".