229206437 has 2 divisors, whose sum is σ = 229206438. Its totient is φ = 229206436.

The previous prime is 229206421. The next prime is 229206449. The reversal of 229206437 is 734602922.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155401156 + 73805281 = 12466^2 + 8591^2 .

It is a cyclic number.

It is not a de Polignac number, because 229206437 - 2⁴ = 229206421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229206397 and 229206406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229206037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114603218 + 114603219.

It is an arithmetic number, because the mean of its divisors is an integer number (114603219).

Almost surely, 2^229206437 is an apocalyptic number.

It is an amenable number.

229206437 is a deficient number, since it is larger than the sum of its proper divisors (1).

229206437 is an equidigital number, since it uses as much as digits as its factorization.

229206437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 229206437 is about 15139.5652843799. The cubic root of 229206437 is about 611.9871031571.

The spelling of 229206437 in words is "two hundred twenty-nine million, two hundred six thousand, four hundred thirty-seven".