298822437 has 18 divisors (see below), whose sum is σ = 441928422. Its totient is φ = 194571216.

The previous prime is 298822429. The next prime is 298822451. The reversal of 298822437 is 734228892.

It can be written as a sum of positive squares in only one way, i.e., 298805796 + 16641 = 17286^2 + 129^2 .

It is not a de Polignac number, because 298822437 - 2³ = 298822429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 298822392 and 298822401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298822487) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7663 + ... + 25619.

It is an arithmetic number, because the mean of its divisors is an integer number (24551579).

Almost surely, 2^298822437 is an apocalyptic number.

It is an amenable number.

298822437 is a deficient number, since it is larger than the sum of its proper divisors (143105985).

298822437 is a wasteful number, since it uses less digits than its factorization.

298822437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18049 (or 18003 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 298822437 is about 17286.4813365821. The cubic root of 298822437 is about 668.5559132580. Note that the first 3 decimals are identical.

It can be divided in two parts, 2988 and 22437, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 298822437 in words is "two hundred ninety-eight million, eight hundred twenty-two thousand, four hundred thirty-seven".