228025730 has 16 divisors (see below), whose sum is σ = 416228544. Its totient is φ = 89925360.

The previous prime is 228025673. The next prime is 228025799. The reversal of 228025730 is 37520822.

228025730 is digitally balanced in base 2 and base 3, because in such bases 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 = 228025693 and 228025702.

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, 159872 + ... + 161291.

It is an arithmetic number, because the mean of its divisors is an integer number (26014284).

Almost surely, 2^228025730 is an apocalyptic number.

228025730 is a deficient number, since it is larger than the sum of its proper divisors (188202814).

228025730 is a wasteful number, since it uses less digits than its factorization.

228025730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321241.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 228025730 is about 15100.5208519441. The cubic root of 228025730 is about 610.9344541965.

The spelling of 228025730 in words is "two hundred twenty-eight million, twenty-five thousand, seven hundred thirty".