228100052 has 12 divisors (see below), whose sum is σ = 399944916. Its totient is φ = 113830080.

The previous prime is 228100043. The next prime is 228100063. The reversal of 228100052 is 250001822.

228100052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55860676 + 172239376 = 7474^2 + 13124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 228099997 and 228100033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52643 + ... + 56810.

It is an arithmetic number, because the mean of its divisors is an integer number (33328743).

Almost surely, 2^228100052 is an apocalyptic number.

It is an amenable number.

228100052 is a deficient number, since it is larger than the sum of its proper divisors (171844864).

228100052 is a wasteful number, since it uses less digits than its factorization.

228100052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109978 (or 109976 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 228100052 is about 15102.9815599437. The cubic root of 228100052 is about 611.0008223475. Note that the first 3 decimals are identical.

Adding to 228100052 its reverse (250001822), we get a palindrome (478101874).

The spelling of 228100052 in words is "two hundred twenty-eight million, one hundred thousand, fifty-two".