22273123352481 has 27 divisors (see below), whose sum is σ = 32633275066483. Its totient is φ = 14638950871440.

The previous prime is 22273123352411. The next prime is 22273123352567. The reversal of 22273123352481 is 18425332137222.

It is a happy number.

The square root of 22273123352481 is 4719441.

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

22273123352481 is a `hidden beast` number, since 2 + 2 + 2 + 7 + 3 + 12 + 33 + 524 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19019847380625 + 3253275971856 = 4361175^2 + 1803684^2 .

It is not a de Polignac number, because 22273123352481 - 2⁴¹ = 20074100096929 is a prime.

It is a super-2 number, since 2×22273123352481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22273123352411) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1005229855 + ... + 1005252011.

Almost surely, 2^{22273123352481} is an apocalyptic number.

22273123352481 is the 4719441-st square number.

22273123352481 is the 2359721-st centered octagonal number.

It is an amenable number.

22273123352481 is a deficient number, since it is larger than the sum of its proper divisors (10360151714002).

22273123352481 is an frugal number, since it uses more digits than its factorization.

22273123352481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44462 (or 22231 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 22273123352481 in words is "twenty-two trillion, two hundred seventy-three billion, one hundred twenty-three million, three hundred fifty-two thousand, four hundred eighty-one".