228190545452 has 12 divisors (see below), whose sum is σ = 420351004920. Its totient is φ = 108090258336.

The previous prime is 228190545439. The next prime is 228190545493. The reversal of 228190545452 is 254545091822.

It is a junction number, because it is equal to n+sod(n) for n = 228190545397 and 228190545406.

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, 1501253513 + ... + 1501253664.

It is an arithmetic number, because the mean of its divisors is an integer number (35029250410).

Almost surely, 2^228190545452 is an apocalyptic number.

It is an amenable number.

228190545452 is a deficient number, since it is larger than the sum of its proper divisors (192160459468).

228190545452 is a wasteful number, since it uses less digits than its factorization.

228190545452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002507200 (or 3002507198 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 228190545452 in words is "two hundred twenty-eight billion, one hundred ninety million, five hundred forty-five thousand, four hundred fifty-two".