228140670 has 16 divisors (see below), whose sum is σ = 547537680. Its totient is φ = 60837504.

The previous prime is 228140659. The next prime is 228140681. The reversal of 228140670 is 76041822.

228140670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228140659) and next prime (228140681).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7604689 = 228140670 / (2 + 2 + 8 + 1 + 4 + 0 + 6 + 7 + 0).

It is a Curzon number.

It is a congruent number.

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, 3802315 + ... + 3802374.

It is an arithmetic number, because the mean of its divisors is an integer number (34221105).

Almost surely, 2^228140670 is an apocalyptic number.

228140670 is an abundant number, since it is smaller than the sum of its proper divisors (319397010).

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

228140670 is a wasteful number, since it uses less digits than its factorization.

228140670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604699.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 228140670 is about 15104.3262014563. The cubic root of 228140670 is about 611.0370873669.

The spelling of 228140670 in words is "two hundred twenty-eight million, one hundred forty thousand, six hundred seventy".