228145026 has 16 divisors (see below), whose sum is σ = 456444000. Its totient is φ = 76022688.

The previous prime is 228145013. The next prime is 228145031. The reversal of 228145026 is 620541822.

228145026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 228144984 and 228145002.

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, 23805 + ... + 31983.

It is an arithmetic number, because the mean of its divisors is an integer number (28527750).

Almost surely, 2^228145026 is an apocalyptic number.

228145026 is an abundant number, since it is smaller than the sum of its proper divisors (228298974).

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

228145026 is a wasteful number, since it uses less digits than its factorization.

228145026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12833.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 228145026 is about 15104.4703978657. The cubic root of 228145026 is about 611.0409762842.

Adding to 228145026 its reverse (620541822), we get a palindrome (848686848).

The spelling of 228145026 in words is "two hundred twenty-eight million, one hundred forty-five thousand, twenty-six".