229521601 has 8 divisors (see below), whose sum is σ = 230856704. Its totient is φ = 228191040.

The previous prime is 229521581. The next prime is 229521637. The reversal of 229521601 is 106125922.

229521601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a 4-Lehmer number, since φ(229521601) divides (229521601-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 229521601 - 2¹³ = 229513409 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 229521601.

It is not an unprimeable number, because it can be changed into a prime (229521001) 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, 155296 + ... + 156766.

It is an arithmetic number, because the mean of its divisors is an integer number (28857088).

Almost surely, 2^229521601 is an apocalyptic number.

It is an amenable number.

229521601 is a deficient number, since it is larger than the sum of its proper divisors (1335103).

229521601 is a wasteful number, since it uses less digits than its factorization.

229521601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 229521601 is about 15149.9703300040. The cubic root of 229521601 is about 612.2674733629.

The spelling of 229521601 in words is "two hundred twenty-nine million, five hundred twenty-one thousand, six hundred one".