229021000394 has 8 divisors (see below), whose sum is σ = 348237411780. Its totient is φ = 112941863136.

The previous prime is 229021000393. The next prime is 229021000399. The reversal of 229021000394 is 493000120922.

229021000394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 227970916369 + 1050084025 = 477463^2 + 32405^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 229021000394.

It is not an unprimeable number, because it can be changed into a prime (229021000391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784318349 + ... + 784318640.

Almost surely, 2^229021000394 is an apocalyptic number.

229021000394 is a deficient number, since it is larger than the sum of its proper divisors (119216411386).

229021000394 is a wasteful number, since it uses less digits than its factorization.

229021000394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568637064.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 229021000394 in words is "two hundred twenty-nine billion, twenty-one million, three hundred ninety-four", and thus it is an aban number.