342689722 has 4 divisors (see below), whose sum is σ = 514034586. Its totient is φ = 171344860.

The previous prime is 342689701. The next prime is 342689729. The reversal of 342689722 is 227986243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227986243 = 131 ⋅1740353.

It can be written as a sum of positive squares in only one way, i.e., 341917081 + 772641 = 18491^2 + 879^2 .

It is not an unprimeable number, because it can be changed into a prime (342689729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85672429 + ... + 85672432.

Almost surely, 2^342689722 is an apocalyptic number.

342689722 is a deficient number, since it is larger than the sum of its proper divisors (171344864).

342689722 is a wasteful number, since it uses less digits than its factorization.

342689722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171344863.

The product of its digits is 290304, while the sum is 43.

The square root of 342689722 is about 18511.8805635732. The cubic root of 342689722 is about 699.7888628529.

The spelling of 342689722 in words is "three hundred forty-two million, six hundred eighty-nine thousand, seven hundred twenty-two".