228133635 has 16 divisors (see below), whose sum is σ = 373917600. Its totient is φ = 118703360.

The previous prime is 228133613. The next prime is 228133651. The reversal of 228133635 is 536331822.

It is not a de Polignac number, because 228133635 - 2⁵ = 228133603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228133596 and 228133605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184860 + ... + 186089.

It is an arithmetic number, because the mean of its divisors is an integer number (23369850).

Almost surely, 2^228133635 is an apocalyptic number.

228133635 is a deficient number, since it is larger than the sum of its proper divisors (145783965).

228133635 is a wasteful number, since it uses less digits than its factorization.

228133635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370998.

The product of its digits is 25920, while the sum is 33.

The square root of 228133635 is about 15104.0933193621. The cubic root of 228133635 is about 611.0308066073.

The spelling of 228133635 in words is "two hundred twenty-eight million, one hundred thirty-three thousand, six hundred thirty-five".