2285814395881 has 3 divisors (see below), whose sum is σ = 2285815907773. Its totient is φ = 2285812883990.

The previous prime is 2285814395873. The next prime is 2285814395911. The reversal of 2285814395881 is 1885934185822.

The square root of 2285814395881 is 1511891.

It is a perfect power (a square), and thus also a powerful number.

2285814395881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2285814395881 - 2³ = 2285814395873 is a prime.

It is a super-2 number, since 2×2285814395881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2285814995881) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 755946 + ... + 2267836.

Almost surely, 2^{2285814395881} is an apocalyptic number.

2285814395881 is the 1511891-st square number.

2285814395881 is the 755946-th centered octagonal number.

It is an amenable number.

2285814395881 is a deficient number, since it is larger than the sum of its proper divisors (1511892).

2285814395881 is an frugal number, since it uses more digits than its factorization.

2285814395881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023782 (or 1511891 counting only the distinct ones).

The product of its digits is 44236800, while the sum is 64.

Multiplying 2285814395881 by its sum of digits (64), we get a square (146292121336384 = 12095128²).

The spelling of 2285814395881 in words is "two trillion, two hundred eighty-five billion, eight hundred fourteen million, three hundred ninety-five thousand, eight hundred eighty-one".