2231422409 has 2 divisors, whose sum is σ = 2231422410. Its totient is φ = 2231422408.

The previous prime is 2231422399. The next prime is 2231422411. The reversal of 2231422409 is 9042241322.

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., 1277848009 + 953574400 = 35747^2 + 30880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231422409 - 2⁴ = 2231422393 is a prime.

It is a super-3 number, since 3×2231422409³ (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 2231422411, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2231422489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115711204 + 1115711205.

It is an arithmetic number, because the mean of its divisors is an integer number (1115711205).

Almost surely, 2^2231422409 is an apocalyptic number.

It is an amenable number.

2231422409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231422409 is an equidigital number, since it uses as much as digits as its factorization.

2231422409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2231422409 is about 47237.9340043571. The cubic root of 2231422409 is about 1306.7542765067.

The spelling of 2231422409 in words is "two billion, two hundred thirty-one million, four hundred twenty-two thousand, four hundred nine".