228249296 has 80 divisors (see below), whose sum is σ = 505467648. Its totient is φ = 98918400.

The previous prime is 228249257. The next prime is 228249331. The reversal of 228249296 is 692942822.

It is a super-2 number, since 2×228249296² = 104195482248991232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338816 + ... + 339488.

Almost surely, 2^228249296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228249296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252733824).

228249296 is an abundant number, since it is smaller than the sum of its proper divisors (277218352).

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

228249296 is a wasteful number, since it uses less digits than its factorization.

228249296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 774 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 228249296 is about 15107.9216307208. The cubic root of 228249296 is about 611.1340509099.

The spelling of 228249296 in words is "two hundred twenty-eight million, two hundred forty-nine thousand, two hundred ninety-six".