2581223704 has 32 divisors (see below), whose sum is σ = 4870627200. Its totient is φ = 1282416640.

The previous prime is 2581223693. The next prime is 2581223741. The reversal of 2581223704 is 4073221852.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2581223704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983514 + ... + 986134.

It is an arithmetic number, because the mean of its divisors is an integer number (152207100).

Almost surely, 2^2581223704 is an apocalyptic number.

It is an amenable number.

2581223704 is a deficient number, since it is larger than the sum of its proper divisors (2289403496).

2581223704 is a wasteful number, since it uses less digits than its factorization.

2581223704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 2581223704 is about 50805.7447932810. The cubic root of 2581223704 is about 1371.7507770930.

The spelling of 2581223704 in words is "two billion, five hundred eighty-one million, two hundred twenty-three thousand, seven hundred four".