228145810 has 16 divisors (see below), whose sum is σ = 410852736. Its totient is φ = 91216048.

The previous prime is 228145807. The next prime is 228145859. The reversal of 228145810 is 18541822.

228145810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228145810² = 104101021241112200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26457 + ... + 34003.

It is an arithmetic number, because the mean of its divisors is an integer number (25678296).

Almost surely, 2^228145810 is an apocalyptic number.

228145810 is a deficient number, since it is larger than the sum of its proper divisors (182706926).

228145810 is a wasteful number, since it uses less digits than its factorization.

228145810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10577.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 228145810 is about 15104.4963504249. The cubic root of 228145810 is about 611.0416762127.

The spelling of 228145810 in words is "two hundred twenty-eight million, one hundred forty-five thousand, eight hundred ten".