2185022215 has 8 divisors (see below), whose sum is σ = 2623281408. Its totient is φ = 1747181280.

The previous prime is 2185022201. The next prime is 2185022219. The reversal of 2185022215 is 5122205812.

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

It is not a de Polignac number, because 2185022215 - 2⁹ = 2185021703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185022219) 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, 92952 + ... + 114061.

It is an arithmetic number, because the mean of its divisors is an integer number (327910176).

Almost surely, 2^2185022215 is an apocalyptic number.

2185022215 is a deficient number, since it is larger than the sum of its proper divisors (438259193).

2185022215 is a wasteful number, since it uses less digits than its factorization.

2185022215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209129.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 2185022215 is about 46744.2211936406. The cubic root of 2185022215 is about 1297.6332113754.

The spelling of 2185022215 in words is "two billion, one hundred eighty-five million, twenty-two thousand, two hundred fifteen".