228220562 has 8 divisors (see below), whose sum is σ = 344310156. Its totient is φ = 113450512.

The previous prime is 228220561. The next prime is 228220583. The reversal of 228220562 is 265022822.

It can be written as a sum of positive squares in 2 ways, for example, as 215766721 + 12453841 = 14689^2 + 3529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (228220561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329453 + ... + 330144.

Almost surely, 2^228220562 is an apocalyptic number.

228220562 is a deficient number, since it is larger than the sum of its proper divisors (116089594).

228220562 is a wasteful number, since it uses less digits than its factorization.

228220562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659772.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 228220562 is about 15106.9706427199. The cubic root of 228220562 is about 611.1084048830.

The spelling of 228220562 in words is "two hundred twenty-eight million, two hundred twenty thousand, five hundred sixty-two".