67223444441 has 2 divisors, whose sum is σ = 67223444442. Its totient is φ = 67223444440.

The previous prime is 67223444389. The next prime is 67223444527. The reversal of 67223444441 is 14444432276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39639217216 + 27584227225 = 199096^2 + 166085^2 .

It is a cyclic number.

It is not a de Polignac number, because 67223444441 - 2³⁰ = 66149702617 is a prime.

It is not a weakly prime, because it can be changed into another prime (67223444941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33611722220 + 33611722221.

It is an arithmetic number, because the mean of its divisors is an integer number (33611722221).

Almost surely, 2^67223444441 is an apocalyptic number.

It is an amenable number.

67223444441 is a deficient number, since it is larger than the sum of its proper divisors (1).

67223444441 is an equidigital number, since it uses as much as digits as its factorization.

67223444441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 41.

The spelling of 67223444441 in words is "sixty-seven billion, two hundred twenty-three million, four hundred forty-four thousand, four hundred forty-one".