2224688643828 has 36 divisors (see below), whose sum is σ = 6426878305120. Its totient is φ = 635625326736.

The previous prime is 2224688643803. The next prime is 2224688643833. The reversal of 2224688643828 is 8283468864222.

2224688643828 is a `hidden beast` number, since 2 + 2 + 246 + 8 + 8 + 6 + 4 + 382 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4414064518 + ... + 4414065021.

Almost surely, 2^{2224688643828} is an apocalyptic number.

2224688643828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2224688643828 is an abundant number, since it is smaller than the sum of its proper divisors (4202189661292).

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

2224688643828 is a wasteful number, since it uses less digits than its factorization.

2224688643828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8828129556 (or 8828129551 counting only the distinct ones).

The product of its digits is 113246208, while the sum is 63.

The spelling of 2224688643828 in words is "two trillion, two hundred twenty-four billion, six hundred eighty-eight million, six hundred forty-three thousand, eight hundred twenty-eight".