299722 has 4 divisors (see below), whose sum is σ = 449586. Its totient is φ = 149860.

The previous prime is 299711. The next prime is 299723. The reversal of 299722 is 227992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 279841 + 19881 = 529^2 + 141^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (299723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74929 + ... + 74932.

2²⁹⁹⁷²² is an apocalyptic number.

299722 is a deficient number, since it is larger than the sum of its proper divisors (149864).

299722 is a wasteful number, since it uses less digits than its factorization.

299722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149863.

The product of its digits is 4536, while the sum is 31.

The square root of 299722 is about 547.4687205677. The cubic root of 299722 is about 66.9226105777.

The spelling of 299722 in words is "two hundred ninety-nine thousand, seven hundred twenty-two".