342223429 has 2 divisors, whose sum is σ = 342223430. Its totient is φ = 342223428.

The previous prime is 342223381. The next prime is 342223457. The reversal of 342223429 is 924322243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342065025 + 158404 = 18495^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 342223429 - 2⁹ = 342222917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342223429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342223499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171111714 + 171111715.

It is an arithmetic number, because the mean of its divisors is an integer number (171111715).

Almost surely, 2^342223429 is an apocalyptic number.

It is an amenable number.

342223429 is a deficient number, since it is larger than the sum of its proper divisors (1).

342223429 is an equidigital number, since it uses as much as digits as its factorization.

342223429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 342223429 is about 18499.2818509260. The cubic root of 342223429 is about 699.4713212212.

The spelling of 342223429 in words is "three hundred forty-two million, two hundred twenty-three thousand, four hundred twenty-nine".