978422182 has 16 divisors (see below), whose sum is σ = 1556835120. Its totient is φ = 459583488.

The previous prime is 978422161. The next prime is 978422183. The reversal of 978422182 is 281224879.

It is a super-2 number, since 2×978422182² = 1914619932459282248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978422183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7707 + ... + 44902.

It is an arithmetic number, because the mean of its divisors is an integer number (97302195).

Almost surely, 2^978422182 is an apocalyptic number.

978422182 is a deficient number, since it is larger than the sum of its proper divisors (578412938).

978422182 is a wasteful number, since it uses less digits than its factorization.

978422182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53175.

The product of its digits is 129024, while the sum is 43.

The square root of 978422182 is about 31279.7407597953. The cubic root of 978422182 is about 992.7550311887.

The spelling of 978422182 in words is "nine hundred seventy-eight million, four hundred twenty-two thousand, one hundred eighty-two".