22445155211 has 2 divisors, whose sum is σ = 22445155212. Its totient is φ = 22445155210.

The previous prime is 22445155189. The next prime is 22445155217. The reversal of 22445155211 is 11255154422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22445155211 - 2⁶ = 22445155147 is a prime.

It is not a weakly prime, because it can be changed into another prime (22445155217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222577605 + 11222577606.

It is an arithmetic number, because the mean of its divisors is an integer number (11222577606).

Almost surely, 2^22445155211 is an apocalyptic number.

22445155211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22445155211 is an equidigital number, since it uses as much as digits as its factorization.

22445155211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16000, while the sum is 32.

The spelling of 22445155211 in words is "twenty-two billion, four hundred forty-five million, one hundred fifty-five thousand, two hundred eleven".