340222042 has 8 divisors (see below), whose sum is σ = 510434676. Its totient is φ = 170077152.

The previous prime is 340222039. The next prime is 340222073. The reversal of 340222042 is 240222043.

340222042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 255968001 + 84254041 = 15999^2 + 9179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603 + ... + 26134.

Almost surely, 2^340222042 is an apocalyptic number.

340222042 is a deficient number, since it is larger than the sum of its proper divisors (170212634).

340222042 is a wasteful number, since it uses less digits than its factorization.

340222042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33872.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 340222042 is about 18445.1088909770. The cubic root of 340222042 is about 698.1051078296.

Adding to 340222042 its reverse (240222043), we get a palindrome (580444085).

Subtracting from 340222042 its reverse (240222043), we obtain a palindrome (99999999).

The spelling of 340222042 in words is "three hundred forty million, two hundred twenty-two thousand, forty-two".