342224387 has 2 divisors, whose sum is σ = 342224388. Its totient is φ = 342224386.

The previous prime is 342224353. The next prime is 342224411. The reversal of 342224387 is 783422243.

It is a strong prime.

It is an emirp because it is prime and its reverse (783422243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342224387 - 2¹⁰ = 342223363 is a prime.

It is not a weakly prime, because it can be changed into another prime (342224317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171112193 + 171112194.

It is an arithmetic number, because the mean of its divisors is an integer number (171112194).

Almost surely, 2^342224387 is an apocalyptic number.

342224387 is a deficient number, since it is larger than the sum of its proper divisors (1).

342224387 is an equidigital number, since it uses as much as digits as its factorization.

342224387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 35.

The square root of 342224387 is about 18499.3077438049. The cubic root of 342224387 is about 699.4719739068.

The spelling of 342224387 in words is "three hundred forty-two million, two hundred twenty-four thousand, three hundred eighty-seven".