228897130 has 48 divisors (see below), whose sum is σ = 522866016. Its totient is φ = 71342880.

The previous prime is 228897107. The next prime is 228897131. The reversal of 228897130 is 31798822.

228897130 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 2×228897130² = 104787792244473800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228897131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15844 + ... + 26623.

It is an arithmetic number, because the mean of its divisors is an integer number (10893042).

Almost surely, 2^228897130 is an apocalyptic number.

228897130 is an abundant number, since it is smaller than the sum of its proper divisors (293968886).

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

228897130 is a wasteful number, since it uses less digits than its factorization.

228897130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42499 (or 42492 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 228897130 is about 15129.3466481537. The cubic root of 228897130 is about 611.7116933429.

The spelling of 228897130 in words is "two hundred twenty-eight million, eight hundred ninety-seven thousand, one hundred thirty".