229578101 has 2 divisors, whose sum is σ = 229578102. Its totient is φ = 229578100.

The previous prime is 229578091. The next prime is 229578169. The reversal of 229578101 is 101875922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148596100 + 80982001 = 12190^2 + 8999^2 .

It is a cyclic number.

It is not a de Polignac number, because 229578101 - 2¹⁰ = 229577077 is a prime.

It is a super-2 number, since 2×229578101² = 105412208917532402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229578191) 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 as a sum of consecutive naturals, namely, 114789050 + 114789051.

It is an arithmetic number, because the mean of its divisors is an integer number (114789051).

Almost surely, 2^229578101 is an apocalyptic number.

It is an amenable number.

229578101 is a deficient number, since it is larger than the sum of its proper divisors (1).

229578101 is an equidigital number, since it uses as much as digits as its factorization.

229578101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 229578101 is about 15151.8349053836. The cubic root of 229578101 is about 612.3177086842.

The spelling of 229578101 in words is "two hundred twenty-nine million, five hundred seventy-eight thousand, one hundred one".