22016237633281 has 2 divisors, whose sum is σ = 22016237633282. Its totient is φ = 22016237633280.

The previous prime is 22016237633263. The next prime is 22016237633311. The reversal of 22016237633281 is 18233673261022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17681680191681 + 4334557441600 = 4204959^2 + 2081960^2 .

It is a cyclic number.

It is not a de Polignac number, because 22016237633281 - 2²⁹ = 22015700762369 is a prime.

It is a super-2 number, since 2×22016237633281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22016237633081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11008118816640 + 11008118816641.

It is an arithmetic number, because the mean of its divisors is an integer number (11008118816641).

Almost surely, 2^{22016237633281} is an apocalyptic number.

It is an amenable number.

22016237633281 is a deficient number, since it is larger than the sum of its proper divisors (1).

22016237633281 is an equidigital number, since it uses as much as digits as its factorization.

22016237633281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 22016237633281 in words is "twenty-two trillion, sixteen billion, two hundred thirty-seven million, six hundred thirty-three thousand, two hundred eighty-one".