215348226 has 8 divisors (see below), whose sum is σ = 430696464. Its totient is φ = 71782740.

The previous prime is 215348213. The next prime is 215348279. The reversal of 215348226 is 622843512.

It is a sphenic number, since it is the product of 3 distinct primes.

215348226 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17945680 + ... + 17945691.

It is an arithmetic number, because the mean of its divisors is an integer number (53837058).

Almost surely, 2^215348226 is an apocalyptic number.

215348226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

215348226 is a wasteful number, since it uses less digits than its factorization.

215348226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35891376.

The product of its digits is 23040, while the sum is 33.

The square root of 215348226 is about 14674.7479024343. The cubic root of 215348226 is about 599.3958975267.

The spelling of 215348226 in words is "two hundred fifteen million, three hundred forty-eight thousand, two hundred twenty-six".