229215236 has 12 divisors (see below), whose sum is σ = 407925840. Its totient is φ = 112665000.

The previous prime is 229215229. The next prime is 229215253. The reversal of 229215236 is 632512922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485390 + ... + 485861.

It is an arithmetic number, because the mean of its divisors is an integer number (33993820).

Almost surely, 2^229215236 is an apocalyptic number.

It is an amenable number.

229215236 is a deficient number, since it is larger than the sum of its proper divisors (178710604).

229215236 is a wasteful number, since it uses less digits than its factorization.

229215236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971314 (or 971312 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 229215236 is about 15139.8558777817. The cubic root of 229215236 is about 611.9949342426.

The spelling of 229215236 in words is "two hundred twenty-nine million, two hundred fifteen thousand, two hundred thirty-six".