978422246 has 4 divisors (see below), whose sum is σ = 1467633372. Its totient is φ = 489211122.

The previous prime is 978422209. The next prime is 978422257. The reversal of 978422246 is 642224879.

978422246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642224879 = 103 ⋅6235193.

It is a junction number, because it is equal to n+sod(n) for n = 978422197 and 978422206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244605560 + ... + 244605563.

It is an arithmetic number, because the mean of its divisors is an integer number (366908343).

Almost surely, 2^978422246 is an apocalyptic number.

978422246 is a deficient number, since it is larger than the sum of its proper divisors (489211126).

978422246 is a wasteful number, since it uses less digits than its factorization.

978422246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489211125.

The product of its digits is 387072, while the sum is 44.

The square root of 978422246 is about 31279.7417828217. The cubic root of 978422246 is about 992.7550528345.

The spelling of 978422246 in words is "nine hundred seventy-eight million, four hundred twenty-two thousand, two hundred forty-six".