2269372728 has 64 divisors (see below), whose sum is σ = 6707520000. Its totient is φ = 626032512.

The previous prime is 2269372663. The next prime is 2269372753. The reversal of 2269372728 is 8272739622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228028 + ... + 237771.

It is an arithmetic number, because the mean of its divisors is an integer number (104805000).

Almost surely, 2^2269372728 is an apocalyptic number.

2269372728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2269372728 is an abundant number, since it is smaller than the sum of its proper divisors (4438147272).

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

2269372728 is a wasteful number, since it uses less digits than its factorization.

2269372728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465844 (or 465840 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 2269372728 is about 47637.9337083379. The cubic root of 2269372728 is about 1314.1207629558.

The spelling of 2269372728 in words is "two billion, two hundred sixty-nine million, three hundred seventy-two thousand, seven hundred twenty-eight".