298392281228 has 24 divisors (see below), whose sum is σ = 533788679760. Its totient is φ = 145907435520.

The previous prime is 298392281221. The next prime is 298392281249. The reversal of 298392281228 is 822182293892.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (298392281221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230033 + ... + 3321128.

It is an arithmetic number, because the mean of its divisors is an integer number (22241194990).

Almost surely, 2^298392281228 is an apocalyptic number.

It is an amenable number.

298392281228 is a deficient number, since it is larger than the sum of its proper divisors (235396398532).

298392281228 is a wasteful number, since it uses less digits than its factorization.

298392281228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551417 (or 6551415 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 56.

The spelling of 298392281228 in words is "two hundred ninety-eight billion, three hundred ninety-two million, two hundred eighty-one thousand, two hundred twenty-eight".