228137356 has 6 divisors (see below), whose sum is σ = 399240380. Its totient is φ = 114068676.

The previous prime is 228137347. The next prime is 228137359. The reversal of 228137356 is 653731822.

It is not an unprimeable number, because it can be changed into a prime (228137359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28517166 + ... + 28517173.

Almost surely, 2^228137356 is an apocalyptic number.

It is an amenable number.

228137356 is a deficient number, since it is larger than the sum of its proper divisors (171103024).

228137356 is a wasteful number, since it uses less digits than its factorization.

228137356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57034343 (or 57034341 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 228137356 is about 15104.2164973891. The cubic root of 228137356 is about 611.0341286854.

The spelling of 228137356 in words is "two hundred twenty-eight million, one hundred thirty-seven thousand, three hundred fifty-six".