228137635 has 24 divisors (see below), whose sum is σ = 311315760. Its totient is φ = 160184640.

The previous prime is 228137633. The next prime is 228137647. The reversal of 228137635 is 536731822.

228137635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228137635 - 2¹ = 228137633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228137594 and 228137603.

It is not an unprimeable number, because it can be changed into a prime (228137633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11044 + ... + 24046.

It is an arithmetic number, because the mean of its divisors is an integer number (12971490).

Almost surely, 2^228137635 is an apocalyptic number.

228137635 is a deficient number, since it is larger than the sum of its proper divisors (83178125).

228137635 is a wasteful number, since it uses less digits than its factorization.

228137635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13059 (or 13048 counting only the distinct ones).

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

The square root of 228137635 is about 15104.2257332178. The cubic root of 228137635 is about 611.0343777729.

The spelling of 228137635 in words is "two hundred twenty-eight million, one hundred thirty-seven thousand, six hundred thirty-five".