2268891356 has 12 divisors (see below), whose sum is σ = 4077872568. Its totient is φ = 1103784912.

The previous prime is 2268891337. The next prime is 2268891379. The reversal of 2268891356 is 6531988622.

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, 7665026 + ... + 7665321.

It is an arithmetic number, because the mean of its divisors is an integer number (339822714).

Almost surely, 2^2268891356 is an apocalyptic number.

It is an amenable number.

2268891356 is a deficient number, since it is larger than the sum of its proper divisors (1808981212).

2268891356 is a wasteful number, since it uses less digits than its factorization.

2268891356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15330388 (or 15330386 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 2268891356 is about 47632.8810382072. The cubic root of 2268891356 is about 1314.0278407040.

The spelling of 2268891356 in words is "two billion, two hundred sixty-eight million, eight hundred ninety-one thousand, three hundred fifty-six".