2238920279892 has 72 divisors (see below), whose sum is σ = 6118370804000. Its totient is φ = 687918598848.

The previous prime is 2238920279867. The next prime is 2238920279903. The reversal of 2238920279892 is 2989720298322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44208142 + ... + 44258757.

Almost surely, 2^{2238920279892} is an apocalyptic number.

It is an amenable number.

2238920279892 is an abundant number, since it is smaller than the sum of its proper divisors (3879450524108).

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

2238920279892 is a wasteful number, since it uses less digits than its factorization.

2238920279892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88466965 (or 88466960 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 2238920279892 in words is "two trillion, two hundred thirty-eight billion, nine hundred twenty million, two hundred seventy-nine thousand, eight hundred ninety-two".