2212099709 has 2 divisors, whose sum is σ = 2212099710. Its totient is φ = 2212099708.

The previous prime is 2212099693. The next prime is 2212099739. The reversal of 2212099709 is 9079902122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1552123609 + 659976100 = 39397^2 + 25690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212099709 - 2⁴ = 2212099693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212099739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106049854 + 1106049855.

It is an arithmetic number, because the mean of its divisors is an integer number (1106049855).

Almost surely, 2^2212099709 is an apocalyptic number.

It is an amenable number.

2212099709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212099709 is an equidigital number, since it uses as much as digits as its factorization.

2212099709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 2212099709 is about 47032.9640677685. The cubic root of 2212099709 is about 1302.9714492450.

The spelling of 2212099709 in words is "two billion, two hundred twelve million, ninety-nine thousand, seven hundred nine".