229638705 has 32 divisors (see below), whose sum is σ = 377287680. Its totient is φ = 119206080.

The previous prime is 229638697. The next prime is 229638743. The reversal of 229638705 is 507836922.

It is not a de Polignac number, because 229638705 - 2³ = 229638697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282750 + ... + 283560.

It is an arithmetic number, because the mean of its divisors is an integer number (11790240).

Almost surely, 2^229638705 is an apocalyptic number.

It is an amenable number.

229638705 is a deficient number, since it is larger than the sum of its proper divisors (147648975).

229638705 is a wasteful number, since it uses less digits than its factorization.

229638705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 229638705 is about 15153.8346632131. The cubic root of 229638705 is about 612.3715837960.

The spelling of 229638705 in words is "two hundred twenty-nine million, six hundred thirty-eight thousand, seven hundred five".