228940706 has 8 divisors (see below), whose sum is σ = 343480620. Its totient is φ = 114447168.

The previous prime is 228940693. The next prime is 228940721. The reversal of 228940706 is 607049822.

It can be written as a sum of positive squares in 2 ways, for example, as 228463225 + 477481 = 15115^2 + 691^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 228940706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6230 + ... + 22286.

Almost surely, 2^228940706 is an apocalyptic number.

228940706 is a deficient number, since it is larger than the sum of its proper divisors (114539914).

228940706 is a wasteful number, since it uses less digits than its factorization.

228940706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23188.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 228940706 is about 15130.7866946831. The cubic root of 228940706 is about 611.7505088251.

The spelling of 228940706 in words is "two hundred twenty-eight million, nine hundred forty thousand, seven hundred six".