228490816429 has 16 divisors (see below), whose sum is σ = 242393307264. Its totient is φ = 214920763200.

The previous prime is 228490816409. The next prime is 228490816447. The reversal of 228490816429 is 924618094822.

It is not a de Polignac number, because 228490816429 - 2¹¹ = 228490814381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228490816429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228490816409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6440319 + ... + 6475699.

It is an arithmetic number, because the mean of its divisors is an integer number (15149581704).

Almost surely, 2^228490816429 is an apocalyptic number.

It is an amenable number.

228490816429 is a deficient number, since it is larger than the sum of its proper divisors (13902490835).

228490816429 is a wasteful number, since it uses less digits than its factorization.

228490816429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40068.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 228490816429 in words is "two hundred twenty-eight billion, four hundred ninety million, eight hundred sixteen thousand, four hundred twenty-nine".