228013426 has 4 divisors (see below), whose sum is σ = 342020142. Its totient is φ = 114006712.

The previous prime is 228013411. The next prime is 228013427. The reversal of 228013426 is 624310822.

228013426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 225450225 + 2563201 = 15015^2 + 1601^2 .

It is a super-3 number, since 3×228013426³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228013394 and 228013403.

It is not an unprimeable number, because it can be changed into a prime (228013427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57003355 + ... + 57003358.

Almost surely, 2^228013426 is an apocalyptic number.

228013426 is a deficient number, since it is larger than the sum of its proper divisors (114006716).

228013426 is a wasteful number, since it uses less digits than its factorization.

228013426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114006715.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 228013426 is about 15100.1134432825. The cubic root of 228013426 is about 610.9234655641.

The spelling of 228013426 in words is "two hundred twenty-eight million, thirteen thousand, four hundred twenty-six".