22011255500447 has 2 divisors, whose sum is σ = 22011255500448. Its totient is φ = 22011255500446.

The previous prime is 22011255500387. The next prime is 22011255500461. The reversal of 22011255500447 is 74400555211022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22011255500447 - 2¹⁰ = 22011255499423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22011255500447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011255500147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005627750223 + 11005627750224.

It is an arithmetic number, because the mean of its divisors is an integer number (11005627750224).

Almost surely, 2^{22011255500447} is an apocalyptic number.

22011255500447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011255500447 is an equidigital number, since it uses as much as digits as its factorization.

22011255500447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 22011255500447 in words is "twenty-two trillion, eleven billion, two hundred fifty-five million, five hundred thousand, four hundred forty-seven".