229552237 has 2 divisors, whose sum is σ = 229552238. Its totient is φ = 229552236.

The previous prime is 229552201. The next prime is 229552247. The reversal of 229552237 is 732255922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227074761 + 2477476 = 15069^2 + 1574^2 .

It is a cyclic number.

It is not a de Polignac number, because 229552237 - 2⁷ = 229552109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229552196 and 229552205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229552247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114776118 + 114776119.

It is an arithmetic number, because the mean of its divisors is an integer number (114776119).

Almost surely, 2^229552237 is an apocalyptic number.

It is an amenable number.

229552237 is a deficient number, since it is larger than the sum of its proper divisors (1).

229552237 is an equidigital number, since it uses as much as digits as its factorization.

229552237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 229552237 is about 15150.9813873557. The cubic root of 229552237 is about 612.2947134887.

The spelling of 229552237 in words is "two hundred twenty-nine million, five hundred fifty-two thousand, two hundred thirty-seven".