228215482 has 32 divisors (see below), whose sum is σ = 386487360. Its totient is φ = 100154880.

The previous prime is 228215461. The next prime is 228215483. The reversal of 228215482 is 284512822.

It is not an unprimeable number, because it can be changed into a prime (228215483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112138 + ... + 114154.

It is an arithmetic number, because the mean of its divisors is an integer number (12077730).

Almost surely, 2^228215482 is an apocalyptic number.

228215482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228215482 is a deficient number, since it is larger than the sum of its proper divisors (158271878).

228215482 is a wasteful number, since it uses less digits than its factorization.

228215482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206.

The product of its digits is 20480, while the sum is 34.

The square root of 228215482 is about 15106.8025074799. The cubic root of 228215482 is about 611.1038705943.

The spelling of 228215482 in words is "two hundred twenty-eight million, two hundred fifteen thousand, four hundred eighty-two".