2813225278 has 8 divisors (see below), whose sum is σ = 4229073072. Its totient is φ = 1403534256.

The previous prime is 2813225273. The next prime is 2813225299. The reversal of 2813225278 is 8725223182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2813225278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813225273) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1538050 + ... + 1539877.

It is an arithmetic number, because the mean of its divisors is an integer number (528634134).

Almost surely, 2^2813225278 is an apocalyptic number.

2813225278 is a deficient number, since it is larger than the sum of its proper divisors (1415847794).

2813225278 is a wasteful number, since it uses less digits than its factorization.

2813225278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078386.

The product of its digits is 107520, while the sum is 40.

The square root of 2813225278 is about 53039.8461347693. The cubic root of 2813225278 is about 1411.6753684894.

The spelling of 2813225278 in words is "two billion, eight hundred thirteen million, two hundred twenty-five thousand, two hundred seventy-eight".