2231299901 has 2 divisors, whose sum is σ = 2231299902. Its totient is φ = 2231299900.

The previous prime is 2231299871. The next prime is 2231300011. The reversal of 2231299901 is 1099921322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1964794276 + 266505625 = 44326^2 + 16325^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231299901 - 2²⁶ = 2164191037 is a prime.

It is a super-3 number, since 3×2231299901³ (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231299201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115649950 + 1115649951.

It is an arithmetic number, because the mean of its divisors is an integer number (1115649951).

Almost surely, 2^2231299901 is an apocalyptic number.

It is an amenable number.

2231299901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231299901 is an equidigital number, since it uses as much as digits as its factorization.

2231299901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 2231299901 is about 47236.6372744716. The cubic root of 2231299901 is about 1306.7303618978.

The spelling of 2231299901 in words is "two billion, two hundred thirty-one million, two hundred ninety-nine thousand, nine hundred one".