222783515749 has 2 divisors, whose sum is σ = 222783515750. Its totient is φ = 222783515748.

The previous prime is 222783515719. The next prime is 222783515761. The reversal of 222783515749 is 947515387222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213799888225 + 8983627524 = 462385^2 + 94782^2 .

It is a cyclic number.

It is not a de Polignac number, because 222783515749 - 2⁷ = 222783515621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222783515749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222783515719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111391757874 + 111391757875.

It is an arithmetic number, because the mean of its divisors is an integer number (111391757875).

Almost surely, 2^222783515749 is an apocalyptic number.

It is an amenable number.

222783515749 is a deficient number, since it is larger than the sum of its proper divisors (1).

222783515749 is an equidigital number, since it uses as much as digits as its factorization.

222783515749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 55.

The spelling of 222783515749 in words is "two hundred twenty-two billion, seven hundred eighty-three million, five hundred fifteen thousand, seven hundred forty-nine".