228262506 has 16 divisors (see below), whose sum is σ = 456673248. Its totient is φ = 76062800.

The previous prime is 228262481. The next prime is 228262537. The reversal of 228262506 is 605262822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31921 + ... + 38411.

It is an arithmetic number, because the mean of its divisors is an integer number (28542078).

Almost surely, 2^228262506 is an apocalyptic number.

228262506 is an abundant number, since it is smaller than the sum of its proper divisors (228410742).

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

228262506 is a wasteful number, since it uses less digits than its factorization.

228262506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12357.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 228262506 is about 15108.3588122602. The cubic root of 228262506 is about 611.1458405411.

The spelling of 228262506 in words is "two hundred twenty-eight million, two hundred sixty-two thousand, five hundred six".