2219354773 has 2 divisors, whose sum is σ = 2219354774. Its totient is φ = 2219354772.

The previous prime is 2219354729. The next prime is 2219354827. The reversal of 2219354773 is 3774539122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1530922129 + 688432644 = 39127^2 + 26238^2 .

It is a cyclic number.

It is not a de Polignac number, because 2219354773 - 2¹³ = 2219346581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2219354713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109677386 + 1109677387.

It is an arithmetic number, because the mean of its divisors is an integer number (1109677387).

Almost surely, 2^2219354773 is an apocalyptic number.

It is an amenable number.

2219354773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2219354773 is an equidigital number, since it uses as much as digits as its factorization.

2219354773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 2219354773 is about 47110.0283697643. The cubic root of 2219354773 is about 1304.3943545897.

The spelling of 2219354773 in words is "two billion, two hundred nineteen million, three hundred fifty-four thousand, seven hundred seventy-three".