228452530 has 16 divisors (see below), whose sum is σ = 411393024. Its totient is φ = 91341360.

The previous prime is 228452501. The next prime is 228452591. The reversal of 228452530 is 35254822.

It is a junction number, because it is equal to n+sod(n) for n = 228452492 and 228452501.

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, 33295 + ... + 39565.

It is an arithmetic number, because the mean of its divisors is an integer number (25712064).

Almost surely, 2^228452530 is an apocalyptic number.

228452530 is a deficient number, since it is larger than the sum of its proper divisors (182940494).

228452530 is a wasteful number, since it uses less digits than its factorization.

228452530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 228452530 is about 15114.6462082313. The cubic root of 228452530 is about 611.3153824254.

The spelling of 228452530 in words is "two hundred twenty-eight million, four hundred fifty-two thousand, five hundred thirty".