228343401746 has 8 divisors (see below), whose sum is σ = 345657443340. Its totient is φ = 113124253968.

The previous prime is 228343401721. The next prime is 228343401749. The reversal of 228343401746 is 647104343822.

It can be written as a sum of positive squares in 2 ways, for example, as 203165646121 + 25177755625 = 450739^2 + 158675^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 228343401697 and 228343401706.

It is not an unprimeable number, because it can be changed into a prime (228343401749) 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, 523723181 + ... + 523723616.

Almost surely, 2^228343401746 is an apocalyptic number.

228343401746 is a deficient number, since it is larger than the sum of its proper divisors (117314041594).

228343401746 is a wasteful number, since it uses less digits than its factorization.

228343401746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047446908.

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 228343401746 in words is "two hundred twenty-eight billion, three hundred forty-three million, four hundred one thousand, seven hundred forty-six".