978225246 has 12 divisors (see below), whose sum is σ = 2119488072. Its totient is φ = 326075076.

The previous prime is 978225233. The next prime is 978225257. The reversal of 978225246 is 642522879.

978225246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27172906 + ... + 27172941.

It is an arithmetic number, because the mean of its divisors is an integer number (176624006).

Almost surely, 2^978225246 is an apocalyptic number.

978225246 is an abundant number, since it is smaller than the sum of its proper divisors (1141262826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

978225246 is a wasteful number, since it uses less digits than its factorization.

978225246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54345855 (or 54345852 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 978225246 is about 31276.5926213199. The cubic root of 978225246 is about 992.6884197514.

The spelling of 978225246 in words is "nine hundred seventy-eight million, two hundred twenty-five thousand, two hundred forty-six".