205856422224 has 20 divisors (see below), whose sum is σ = 531795757536. Its totient is φ = 68618807392.

The previous prime is 205856422201. The next prime is 205856422283. The reversal of 205856422224 is 422224658502.

It is a super-2 number, since 2×205856422224² (a number of 23 digits) contains 22 as substring.

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, 2144337684 + ... + 2144337779.

Almost surely, 2^205856422224 is an apocalyptic number.

205856422224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

205856422224 is an abundant number, since it is smaller than the sum of its proper divisors (325939335312).

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

205856422224 is a wasteful number, since it uses less digits than its factorization.

205856422224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288675474 (or 4288675468 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 42.

The spelling of 205856422224 in words is "two hundred five billion, eight hundred fifty-six million, four hundred twenty-two thousand, two hundred twenty-four".