298222 has 4 divisors (see below), whose sum is σ = 447336. Its totient is φ = 149110.

The previous prime is 298213. The next prime is 298223. The reversal of 298222 is 222892.

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

It is a super-2 number, since 2×298222² = 177872722568, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298223) by changing a digit.

298222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74554 + ... + 74557.

It is an arithmetic number, because the mean of its divisors is an integer number (111834).

2²⁹⁸²²² is an apocalyptic number.

298222 is a deficient number, since it is larger than the sum of its proper divisors (149114).

298222 is a wasteful number, since it uses less digits than its factorization.

298222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149113.

The product of its digits is 1152, while the sum is 25.

The square root of 298222 is about 546.0970609699. The cubic root of 298222 is about 66.8107826786.

The spelling of 298222 in words is "two hundred ninety-eight thousand, two hundred twenty-two".