4322278422081 has 15 divisors (see below), whose sum is σ = 6456764853363. Its totient is φ = 2881506474000.

The previous prime is 4322278422071. The next prime is 4322278422097. The reversal of 4322278422081 is 1802248722234.

It is a happy number.

The square root of 4322278422081 is 2079009.

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

4322278422081 is a `hidden beast` number, since 4 + 322 + 27 + 8 + 4 + 220 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 35887892481 + 4286390529600 = 189441^2 + 2070360^2 .

It is not a de Polignac number, because 4322278422081 - 2⁷ = 4322278421953 is a prime.

It is a super-2 number, since 2×4322278422081² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4322278422071) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 18595581 + ... + 18826581.

Almost surely, 2^{4322278422081} is an apocalyptic number.

4322278422081 is the 2079009-th square number.

4322278422081 is the 1039505-th centered octagonal number.

It is an amenable number.

4322278422081 is a deficient number, since it is larger than the sum of its proper divisors (2134486431282).

4322278422081 is an frugal number, since it uses more digits than its factorization.

4322278422081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462014 (or 231004 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The spelling of 4322278422081 in words is "four trillion, three hundred twenty-two billion, two hundred seventy-eight million, four hundred twenty-two thousand, eighty-one".