228623296 has 112 divisors (see below), whose sum is σ = 519818112. Its totient is φ = 98841600.

The previous prime is 228623287. The next prime is 228623299. The reversal of 228623296 is 692326822.

It is a super-2 number, since 2×228623296² = 104537222947807232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228623299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1745151 + ... + 1745281.

Almost surely, 2^228623296 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 228623296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259909056).

228623296 is an abundant number, since it is smaller than the sum of its proper divisors (291194816).

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

228623296 is a wasteful number, since it uses less digits than its factorization.

228623296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 248 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 228623296 is about 15120.2941770324. The cubic root of 228623296 is about 611.4676618840.

The spelling of 228623296 in words is "two hundred twenty-eight million, six hundred twenty-three thousand, two hundred ninety-six".