228980426 has 4 divisors (see below), whose sum is σ = 343470642. Its totient is φ = 114490212.

The previous prime is 228980413. The next prime is 228980441. The reversal of 228980426 is 624089822.

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., 150675625 + 78304801 = 12275^2 + 8849^2 .

It is a super-2 number, since 2×228980426² = 104864070982282952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57245105 + ... + 57245108.

Almost surely, 2^228980426 is an apocalyptic number.

228980426 is a deficient number, since it is larger than the sum of its proper divisors (114490216).

228980426 is a wasteful number, since it uses less digits than its factorization.

228980426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114490215.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 228980426 is about 15132.0991934364. The cubic root of 228980426 is about 611.7858852704.

The spelling of 228980426 in words is "two hundred twenty-eight million, nine hundred eighty thousand, four hundred twenty-six".