2278702125 has 144 divisors (see below), whose sum is σ = 4958606016. Its totient is φ = 1041012000.

The previous prime is 2278702121. The next prime is 2278702157. The reversal of 2278702125 is 5212078722.

2278702125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2278702125 - 2² = 2278702121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2278702125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278702121) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1487610 + ... + 1489140.

It is an arithmetic number, because the mean of its divisors is an integer number (34434764).

Almost surely, 2^2278702125 is an apocalyptic number.

2278702125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2278702125 is an abundant number, since it is smaller than the sum of its proper divisors (2679903891).

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

2278702125 is an equidigital number, since it uses as much as digits as its factorization.

2278702125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 2278702125 is about 47735.7531102213. The cubic root of 2278702125 is about 1315.9190854883.

The spelling of 2278702125 in words is "two billion, two hundred seventy-eight million, seven hundred two thousand, one hundred twenty-five".