215054223 has 16 divisors (see below), whose sum is σ = 302877696. Its totient is φ = 135515520.

The previous prime is 215054221. The next prime is 215054237. The reversal of 215054223 is 322450512.

It is not a de Polignac number, because 215054223 - 2¹ = 215054221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215054193 and 215054202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215054221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22890 + ... + 30887.

It is an arithmetic number, because the mean of its divisors is an integer number (18929856).

Almost surely, 2^215054223 is an apocalyptic number.

215054223 is a deficient number, since it is larger than the sum of its proper divisors (87823473).

215054223 is a wasteful number, since it uses less digits than its factorization.

215054223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53854.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 215054223 is about 14664.7271710046. The cubic root of 215054223 is about 599.1229992964.

The spelling of 215054223 in words is "two hundred fifteen million, fifty-four thousand, two hundred twenty-three".