229031709 has 16 divisors (see below), whose sum is σ = 312377472. Its totient is φ = 149210048.

The previous prime is 229031669. The next prime is 229031713. The reversal of 229031709 is 907130922.

It is a cyclic number.

It is not a de Polignac number, because 229031709 - 2⁷ = 229031581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229031709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229031779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39079 + ... + 44555.

It is an arithmetic number, because the mean of its divisors is an integer number (19523592).

Almost surely, 2^229031709 is an apocalyptic number.

It is an amenable number.

229031709 is a deficient number, since it is larger than the sum of its proper divisors (83345763).

229031709 is a wasteful number, since it uses less digits than its factorization.

229031709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5796.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 229031709 is about 15133.7936090063. The cubic root of 229031709 is about 611.8315542011.

The spelling of 229031709 in words is "two hundred twenty-nine million, thirty-one thousand, seven hundred nine".