345722 has 8 divisors (see below), whose sum is σ = 558516. Its totient is φ = 159552.

The previous prime is 345707. The next prime is 345727. The reversal of 345722 is 227543.

It can be written as a sum of positive squares in 2 ways, for example, as 249001 + 96721 = 499^2 + 311^2 .

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

It is not an unprimeable number, because it can be changed into a prime (345727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6623 + ... + 6674.

2³⁴⁵⁷²² is an apocalyptic number.

345722 is a deficient number, since it is larger than the sum of its proper divisors (212794).

345722 is a wasteful number, since it uses less digits than its factorization.

345722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312.

The product of its digits is 1680, while the sum is 23.

The square root of 345722 is about 587.9812922194. The cubic root of 345722 is about 70.1846823883.

The spelling of 345722 in words is "three hundred forty-five thousand, seven hundred twenty-two".