346442242 has 4 divisors (see below), whose sum is σ = 519663366. Its totient is φ = 173221120.

The previous prime is 346442209. The next prime is 346442263. The reversal of 346442242 is 242244643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242244643 = 6469 ⋅37447.

It can be written as a sum of positive squares in only one way, i.e., 330112561 + 16329681 = 18169^2 + 4041^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86610559 + ... + 86610562.

Almost surely, 2^346442242 is an apocalyptic number.

346442242 is a deficient number, since it is larger than the sum of its proper divisors (173221124).

346442242 is a wasteful number, since it uses less digits than its factorization.

346442242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173221123.

The product of its digits is 36864, while the sum is 31.

The square root of 346442242 is about 18612.9589802374. The cubic root of 346442242 is about 702.3338712125. Note that the first 3 decimals are identical.

Adding to 346442242 its reverse (242244643), we get a palindrome (588686885).

The spelling of 346442242 in words is "three hundred forty-six million, four hundred forty-two thousand, two hundred forty-two".