298226872 has 8 divisors (see below), whose sum is σ = 559175400. Its totient is φ = 149113432.

The previous prime is 298226857. The next prime is 298226879. The reversal of 298226872 is 278622892.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298226879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18639172 + ... + 18639187.

It is an arithmetic number, because the mean of its divisors is an integer number (69896925).

Almost surely, 2^298226872 is an apocalyptic number.

It is an amenable number.

298226872 is a deficient number, since it is larger than the sum of its proper divisors (260948528).

298226872 is a wasteful number, since it uses less digits than its factorization.

298226872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37278365 (or 37278361 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 298226872 is about 17269.2464224702. The cubic root of 298226872 is about 668.1114650191. Note that the first 3 decimals are identical.

The spelling of 298226872 in words is "two hundred ninety-eight million, two hundred twenty-six thousand, eight hundred seventy-two".