298222236 has 84 divisors (see below), whose sum is σ = 842772952. Its totient is φ = 91749024.

The previous prime is 298222219. The next prime is 298222241. The reversal of 298222236 is 632222892.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 298222236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 33975 + ... + 41841.

Almost surely, 2^298222236 is an apocalyptic number.

298222236 is a gapful number since it is divisible by the number (26) 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 298222236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421386476).

298222236 is an abundant number, since it is smaller than the sum of its proper divisors (544550716).

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

298222236 is a wasteful number, since it uses less digits than its factorization.

298222236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902 (or 7885 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 298222236 is about 17269.1121948987. The cubic root of 298222236 is about 668.1080030230.

The spelling of 298222236 in words is "two hundred ninety-eight million, two hundred twenty-two thousand, two hundred thirty-six".