42223545211 has 2 divisors, whose sum is σ = 42223545212. Its totient is φ = 42223545210.

The previous prime is 42223545191. The next prime is 42223545229. The reversal of 42223545211 is 11254532224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42223545211 is a prime.

It is a super-2 number, since 2×42223545211² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42223545271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21111772605 + 21111772606.

It is an arithmetic number, because the mean of its divisors is an integer number (21111772606).

Almost surely, 2^42223545211 is an apocalyptic number.

42223545211 is a deficient number, since it is larger than the sum of its proper divisors (1).

42223545211 is an equidigital number, since it uses as much as digits as its factorization.

42223545211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

The spelling of 42223545211 in words is "forty-two billion, two hundred twenty-three million, five hundred forty-five thousand, two hundred eleven".