228344303728554 has 128 divisors (see below), whose sum is σ = 503315033195520. Its totient is φ = 68629232295936.

The previous prime is 228344303728523. The next prime is 228344303728601. The reversal of 228344303728554 is 455827303443822.

It is a super-2 number, since 2×228344303728554² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12530545887 + ... + 12530564109.

It is an arithmetic number, because the mean of its divisors is an integer number (3932148696840).

Almost surely, 2^{228344303728554} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228344303728554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251657516597760).

228344303728554 is an abundant number, since it is smaller than the sum of its proper divisors (274970729466966).

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

228344303728554 is a wasteful number, since it uses less digits than its factorization.

228344303728554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31536.

The product of its (nonzero) digits is 154828800, while the sum is 60.

The spelling of 228344303728554 in words is "two hundred twenty-eight trillion, three hundred forty-four billion, three hundred three million, seven hundred twenty-eight thousand, five hundred fifty-four".