228746626 has 8 divisors (see below), whose sum is σ = 351488844. Its totient is φ = 111583680.

The previous prime is 228746579. The next prime is 228746641. The reversal of 228746626 is 626647822.

It can be written as a sum of positive squares in 2 ways, for example, as 180929401 + 47817225 = 13451^2 + 6915^2 .

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

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, 1394715 + ... + 1394878.

Almost surely, 2^228746626 is an apocalyptic number.

228746626 is a deficient number, since it is larger than the sum of its proper divisors (122742218).

228746626 is a wasteful number, since it uses less digits than its factorization.

228746626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789636.

The product of its digits is 387072, while the sum is 43.

The square root of 228746626 is about 15124.3719208435. The cubic root of 228746626 is about 611.5775934495.

The spelling of 228746626 in words is "two hundred twenty-eight million, seven hundred forty-six thousand, six hundred twenty-six".