2227132891788 has 48 divisors (see below), whose sum is σ = 6288375227904. Its totient is φ = 598892878080.

The previous prime is 2227132891741. The next prime is 2227132891831. The reversal of 2227132891788 is 8871982317222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779807008 + ... + 779809863.

It is an arithmetic number, because the mean of its divisors is an integer number (131007817248).

Almost surely, 2^{2227132891788} is an apocalyptic number.

2227132891788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2227132891788 is an abundant number, since it is smaller than the sum of its proper divisors (4061242336116).

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

2227132891788 is a wasteful number, since it uses less digits than its factorization.

2227132891788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559616902 (or 1559616900 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 60.

The spelling of 2227132891788 in words is "two trillion, two hundred twenty-seven billion, one hundred thirty-two million, eight hundred ninety-one thousand, seven hundred eighty-eight".