2250278028 has 72 divisors (see below), whose sum is σ = 5869281600. Its totient is φ = 726575616.

The previous prime is 2250277987. The next prime is 2250278033. The reversal of 2250278028 is 8208720522.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2250277983 and 2250278001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143268 + ... + 158196.

It is an arithmetic number, because the mean of its divisors is an integer number (81517800).

Almost surely, 2^2250278028 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 2250278028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2934640800).

2250278028 is an abundant number, since it is smaller than the sum of its proper divisors (3619003572).

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

2250278028 is a wasteful number, since it uses less digits than its factorization.

2250278028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15071 (or 15066 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 2250278028 is about 47437.0954844413. The cubic root of 2250278028 is about 1310.4246681769.

The spelling of 2250278028 in words is "two billion, two hundred fifty million, two hundred seventy-eight thousand, twenty-eight".