340422442 has 8 divisors (see below), whose sum is σ = 511615332. Its totient is φ = 169884000.

The previous prime is 340422437. The next prime is 340422451. The reversal of 340422442 is 244224043.

It can be written as a sum of positive squares in 2 ways, for example, as 335219481 + 5202961 = 18309^2 + 2281^2 .

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, 162309 + ... + 164392.

Almost surely, 2^340422442 is an apocalyptic number.

340422442 is a deficient number, since it is larger than the sum of its proper divisors (171192890).

340422442 is a wasteful number, since it uses less digits than its factorization.

340422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327224.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 340422442 is about 18450.5404256894. The cubic root of 340422442 is about 698.2421485334.

Adding to 340422442 its reverse (244224043), we get a palindrome (584646485).

The spelling of 340422442 in words is "three hundred forty million, four hundred twenty-two thousand, four hundred forty-two".