229854958021 has 20 divisors (see below), whose sum is σ = 259836082272. Its totient is φ = 202948279248.

The previous prime is 229854958007. The next prime is 229854958037. The reversal of 229854958021 is 120859458922.

It is not a de Polignac number, because 229854958021 - 2¹³ = 229854949829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229854953021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 481950 + ... + 831856.

Almost surely, 2^229854958021 is an apocalyptic number.

It is an amenable number.

229854958021 is a deficient number, since it is larger than the sum of its proper divisors (29981124251).

229854958021 is an frugal number, since it uses more digits than its factorization.

229854958021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349982 (or 349943 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 229854958021 in words is "two hundred twenty-nine billion, eight hundred fifty-four million, nine hundred fifty-eight thousand, twenty-one".