229617438 has 16 divisors (see below), whose sum is σ = 463449360. Its totient is φ = 75836736.

The previous prime is 229617407. The next prime is 229617461. The reversal of 229617438 is 834716922.

It is a self number, because there is not a number n which added to its sum of digits gives 229617438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174895 + ... + 176202.

It is an arithmetic number, because the mean of its divisors is an integer number (28965585).

Almost surely, 2^229617438 is an apocalyptic number.

229617438 is an abundant number, since it is smaller than the sum of its proper divisors (233831922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229617438 is a wasteful number, since it uses less digits than its factorization.

229617438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351211.

The product of its digits is 145152, while the sum is 42.

The square root of 229617438 is about 15153.1329433883. The cubic root of 229617438 is about 612.3526791598.

The spelling of 229617438 in words is "two hundred twenty-nine million, six hundred seventeen thousand, four hundred thirty-eight".