220144904467 has 2 divisors, whose sum is σ = 220144904468. Its totient is φ = 220144904466.

The previous prime is 220144904459. The next prime is 220144904557. The reversal of 220144904467 is 764409441022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220144904467 - 2³ = 220144904459 is a prime.

It is not a weakly prime, because it can be changed into another prime (220144904417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110072452233 + 110072452234.

It is an arithmetic number, because the mean of its divisors is an integer number (110072452234).

Almost surely, 2^220144904467 is an apocalyptic number.

220144904467 is a deficient number, since it is larger than the sum of its proper divisors (1).

220144904467 is an equidigital number, since it uses as much as digits as its factorization.

220144904467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 220144904467 in words is "two hundred twenty billion, one hundred forty-four million, nine hundred four thousand, four hundred sixty-seven".