2269912728 has 16 divisors (see below), whose sum is σ = 5674781880. Its totient is φ = 756637568.

The previous prime is 2269912717. The next prime is 2269912753. The reversal of 2269912728 is 8272199622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47289825 + ... + 47289872.

Almost surely, 2^2269912728 is an apocalyptic number.

It is an amenable number.

2269912728 is an abundant number, since it is smaller than the sum of its proper divisors (3404869152).

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

2269912728 is a wasteful number, since it uses less digits than its factorization.

2269912728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94579706 (or 94579702 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 2269912728 is about 47643.6011233408. The cubic root of 2269912728 is about 1314.2249869006.

The spelling of 2269912728 in words is "two billion, two hundred sixty-nine million, nine hundred twelve thousand, seven hundred twenty-eight".