4367226423681 has 225 divisors, whose sum is σ = 7649530401315. Its totient is φ = 2482671708000.

The previous prime is 4367226423671. The next prime is 4367226423683. The reversal of 4367226423681 is 1863246227634.

The square root of 4367226423681 is 2089791.

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

4367226423681 is a `hidden beast` number, since 4 + 3 + 6 + 72 + 264 + 236 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4195979431281 + 171246992400 = 2048409^2 + 413820^2 .

It is not a de Polignac number, because 4367226423681 - 2¹¹ = 4367226421633 is a prime.

It is a super-2 number, since 2×4367226423681² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4367226423683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 224 ways as a sum of consecutive naturals, for example, 43239865531 + ... + 43239865631.

Almost surely, 2^{4367226423681} is an apocalyptic number.

4367226423681 is the 2089791-st square number.

4367226423681 is the 1044896-th centered octagonal number.

It is an amenable number.

4367226423681 is a deficient number, since it is larger than the sum of its proper divisors (3282303977634).

4367226423681 is an frugal number, since it uses more digits than its factorization.

4367226423681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 134 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 54.

The spelling of 4367226423681 in words is "four trillion, three hundred sixty-seven billion, two hundred twenty-six million, four hundred twenty-three thousand, six hundred eighty-one".