228635144269 has 8 divisors (see below), whose sum is σ = 261304312640. Its totient is φ = 195967727136.

The previous prime is 228635144219. The next prime is 228635144321. The reversal of 228635144269 is 962441536822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228635144269 - 2²⁹ = 228098273357 is a prime.

It is a super-2 number, since 2×228635144269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228635144219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144984 + ... + 691585.

It is an arithmetic number, because the mean of its divisors is an integer number (32663039080).

Almost surely, 2^228635144269 is an apocalyptic number.

It is an amenable number.

228635144269 is a deficient number, since it is larger than the sum of its proper divisors (32669168371).

228635144269 is an equidigital number, since it uses as much as digits as its factorization.

228635144269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875619.

The product of its digits is 4976640, while the sum is 52.

The spelling of 228635144269 in words is "two hundred twenty-eight billion, six hundred thirty-five million, one hundred forty-four thousand, two hundred sixty-nine".