228288703946 has 32 divisors (see below), whose sum is σ = 356839125840. Its totient is φ = 109401417216.

The previous prime is 228288703933. The next prime is 228288703967. The reversal of 228288703946 is 649307882822.

It can be written as a sum of positive squares in 8 ways, for example, as 137874829225 + 90413874721 = 371315^2 + 300689^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9941390 + ... + 9964326.

Almost surely, 2^228288703946 is an apocalyptic number.

228288703946 is a deficient number, since it is larger than the sum of its proper divisors (128550421894).

228288703946 is a wasteful number, since it uses less digits than its factorization.

228288703946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24218.

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 228288703946 in words is "two hundred twenty-eight billion, two hundred eighty-eight million, seven hundred three thousand, nine hundred forty-six".