940342229 has 2 divisors, whose sum is σ = 940342230. Its totient is φ = 940342228.

The previous prime is 940342223. The next prime is 940342231. The reversal of 940342229 is 922243049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 940342225 + 4 = 30665^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 940342229 - 2⁴ = 940342213 is a prime.

Together with 940342231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940342223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470171114 + 470171115.

It is an arithmetic number, because the mean of its divisors is an integer number (470171115).

Almost surely, 2^940342229 is an apocalyptic number.

It is an amenable number.

940342229 is a deficient number, since it is larger than the sum of its proper divisors (1).

940342229 is an equidigital number, since it uses as much as digits as its factorization.

940342229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 940342229 is about 30665.0000652209. Note that the first 4 decimals coincide. The cubic root of 940342229 is about 979.7049747079.

The spelling of 940342229 in words is "nine hundred forty million, three hundred forty-two thousand, two hundred twenty-nine".