342223997 has 2 divisors, whose sum is σ = 342223998. Its totient is φ = 342223996.

The previous prime is 342223963. The next prime is 342224039. The reversal of 342223997 is 799322243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341917081 + 306916 = 18491^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 342223997 - 2⁸ = 342223741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342223097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171111998 + 171111999.

It is an arithmetic number, because the mean of its divisors is an integer number (171111999).

Almost surely, 2^342223997 is an apocalyptic number.

It is an amenable number.

342223997 is a deficient number, since it is larger than the sum of its proper divisors (1).

342223997 is an equidigital number, since it uses as much as digits as its factorization.

342223997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 41.

The square root of 342223997 is about 18499.2972028669. The cubic root of 342223997 is about 699.4717081998.

The spelling of 342223997 in words is "three hundred forty-two million, two hundred twenty-three thousand, nine hundred ninety-seven".