2278619004 has 72 divisors (see below), whose sum is σ = 5941606608. Its totient is φ = 677214720.

The previous prime is 2278618981. The next prime is 2278619017. The reversal of 2278619004 is 4009168722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58174 + ... + 89114.

It is an arithmetic number, because the mean of its divisors is an integer number (82522314).

Almost surely, 2^2278619004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2278619004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2970803304).

2278619004 is an abundant number, since it is smaller than the sum of its proper divisors (3662987604).

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

2278619004 is a wasteful number, since it uses less digits than its factorization.

2278619004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31003 (or 30982 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2278619004 is about 47734.8824655513. The cubic root of 2278619004 is about 1315.9030848830.

The spelling of 2278619004 in words is "two billion, two hundred seventy-eight million, six hundred nineteen thousand, four".