229021801 has 4 divisors (see below), whose sum is σ = 241075600. Its totient is φ = 216968004.

The previous prime is 229021799. The next prime is 229021813. The reversal of 229021801 is 108120922.

229021801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 229021801 - 2¹ = 229021799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229021201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6026871 + ... + 6026908.

It is an arithmetic number, because the mean of its divisors is an integer number (60268900).

Almost surely, 2^229021801 is an apocalyptic number.

It is an amenable number.

229021801 is a deficient number, since it is larger than the sum of its proper divisors (12053799).

229021801 is a wasteful number, since it uses less digits than its factorization.

229021801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12053798.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 229021801 is about 15133.4662585939. The cubic root of 229021801 is about 611.8227313843.

The spelling of 229021801 in words is "two hundred twenty-nine million, twenty-one thousand, eight hundred one".