228087030 has 64 divisors (see below), whose sum is σ = 568555200. Its totient is φ = 58490880.

The previous prime is 228087019. The next prime is 228087049. The reversal of 228087030 is 30780822.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355510 + ... + 356150.

It is an arithmetic number, because the mean of its divisors is an integer number (8883675).

Almost surely, 2^228087030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228087030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284277600).

228087030 is an abundant number, since it is smaller than the sum of its proper divisors (340468170).

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

228087030 is a wasteful number, since it uses less digits than its factorization.

228087030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089.

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

The square root of 228087030 is about 15102.5504468616. The cubic root of 228087030 is about 610.9891949877.

The spelling of 228087030 in words is "two hundred twenty-eight million, eighty-seven thousand, thirty".