222077801249 has 2 divisors, whose sum is σ = 222077801250. Its totient is φ = 222077801248.

The previous prime is 222077801237. The next prime is 222077801287. The reversal of 222077801249 is 942108770222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215906127649 + 6171673600 = 464657^2 + 78560^2 .

It is a cyclic number.

It is not a de Polignac number, because 222077801249 - 2⁸ = 222077800993 is a prime.

It is not a weakly prime, because it can be changed into another prime (222077807249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111038900624 + 111038900625.

It is an arithmetic number, because the mean of its divisors is an integer number (111038900625).

Almost surely, 2^222077801249 is an apocalyptic number.

It is an amenable number.

222077801249 is a deficient number, since it is larger than the sum of its proper divisors (1).

222077801249 is an equidigital number, since it uses as much as digits as its factorization.

222077801249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 222077801249 in words is "two hundred twenty-two billion, seventy-seven million, eight hundred one thousand, two hundred forty-nine".