228454400 has 156 divisors (see below), whose sum is σ = 597222192. Its totient is φ = 86507520.

The previous prime is 228454361. The next prime is 228454409. The reversal of 228454400 is 4454822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228454409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2355152 + ... + 2355248.

Almost surely, 2^228454400 is an apocalyptic number.

228454400 is a gapful number since it is divisible by the number (20) 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 228454400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298611096).

228454400 is an abundant number, since it is smaller than the sum of its proper divisors (368767792).

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

228454400 is an equidigital number, since it uses as much as digits as its factorization.

228454400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 228454400 is about 15114.7080686330. The cubic root of 228454400 is about 611.3170503965.

The spelling of 228454400 in words is "two hundred twenty-eight million, four hundred fifty-four thousand, four hundred".