298771223 has 4 divisors (see below), whose sum is σ = 306058368. Its totient is φ = 291484080.

The previous prime is 298771217. The next prime is 298771247. The reversal of 298771223 is 322177892.

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

It is a cyclic number.

It is not a de Polignac number, because 298771223 - 2⁶ = 298771159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 7287103 = 298771223 / (2 + 9 + 8 + 7 + 7 + 1 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298771423) 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, 3643511 + ... + 3643592.

It is an arithmetic number, because the mean of its divisors is an integer number (76514592).

Almost surely, 2^298771223 is an apocalyptic number.

298771223 is a deficient number, since it is larger than the sum of its proper divisors (7287145).

298771223 is an equidigital number, since it uses as much as digits as its factorization.

298771223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7287144.

The product of its digits is 84672, while the sum is 41.

The square root of 298771223 is about 17284.9999421464. Note that the first 4 decimals coincide. The cubic root of 298771223 is about 668.5177173547.

The spelling of 298771223 in words is "two hundred ninety-eight million, seven hundred seventy-one thousand, two hundred twenty-three".