228405129267 has 32 divisors (see below), whose sum is σ = 366593126400. Its totient is φ = 123570599328.

The previous prime is 228405129109. The next prime is 228405129269. The reversal of 228405129267 is 762921504822.

It is not a de Polignac number, because 228405129267 - 2⁸ = 228405129011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228405129269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463084 + ... + 819302.

It is an arithmetic number, because the mean of its divisors is an integer number (11456035200).

Almost surely, 2^228405129267 is an apocalyptic number.

228405129267 is a deficient number, since it is larger than the sum of its proper divisors (138187997133).

228405129267 is a wasteful number, since it uses less digits than its factorization.

228405129267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357855.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 228405129267 in words is "two hundred twenty-eight billion, four hundred five million, one hundred twenty-nine thousand, two hundred sixty-seven".