298224780 has 192 divisors, whose sum is σ = 999398400. Its totient is φ = 66382848.

The previous prime is 298224733. The next prime is 298224803. The reversal of 298224780 is 87422892.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 884772 + ... + 885108.

It is an arithmetic number, because the mean of its divisors is an integer number (5205200).

Almost surely, 2^298224780 is an apocalyptic number.

298224780 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 298224780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499699200).

298224780 is an abundant number, since it is smaller than the sum of its proper divisors (701173620).

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

298224780 is a wasteful number, since it uses less digits than its factorization.

298224780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 298224780 is about 17269.1858522630. The cubic root of 298224780 is about 668.1099027940.

The spelling of 298224780 in words is "two hundred ninety-eight million, two hundred twenty-four thousand, seven hundred eighty".