298226280 has 384 divisors, whose sum is σ = 1103155200. Its totient is φ = 64120320.

The previous prime is 298226219. The next prime is 298226287. The reversal of 298226280 is 82622892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298226287) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6345217 + ... + 6345263.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800).

Almost surely, 2^298226280 is an apocalyptic number.

298226280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298226280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551577600).

298226280 is an abundant number, since it is smaller than the sum of its proper divisors (804928920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298226280 is a wasteful number, since it uses less digits than its factorization.

298226280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 298226280 is about 17269.2292821654. The cubic root of 298226280 is about 668.1110229370. Note that the first 3 decimals are identical.

The spelling of 298226280 in words is "two hundred ninety-eight million, two hundred twenty-six thousand, two hundred eighty".