2187215241 has 8 divisors (see below), whose sum is σ = 2922587520. Its totient is φ = 1454993232.

The previous prime is 2187215237. The next prime is 2187215249. The reversal of 2187215241 is 1425127812.

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

It is not a de Polignac number, because 2187215241 - 2² = 2187215237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2187215249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785946 + ... + 788723.

It is an arithmetic number, because the mean of its divisors is an integer number (365323440).

Almost surely, 2^2187215241 is an apocalyptic number.

It is an amenable number.

2187215241 is a deficient number, since it is larger than the sum of its proper divisors (735372279).

2187215241 is a wasteful number, since it uses less digits than its factorization.

2187215241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575135.

The product of its digits is 8960, while the sum is 33.

The square root of 2187215241 is about 46767.6730338382. The cubic root of 2187215241 is about 1298.0671950402.

The spelling of 2187215241 in words is "two billion, one hundred eighty-seven million, two hundred fifteen thousand, two hundred forty-one".