2142212215 has 32 divisors (see below), whose sum is σ = 3043256832. Its totient is φ = 1427088000.

The previous prime is 2142212183. The next prime is 2142212221. The reversal of 2142212215 is 5122122412.

It is not a de Polignac number, because 2142212215 - 2⁵ = 2142212183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82230 + ... + 105100.

It is an arithmetic number, because the mean of its divisors is an integer number (95101776).

Almost surely, 2^2142212215 is an apocalyptic number.

2142212215 is a deficient number, since it is larger than the sum of its proper divisors (901044617).

2142212215 is a wasteful number, since it uses less digits than its factorization.

2142212215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23031.

The product of its digits is 640, while the sum is 22.

The square root of 2142212215 is about 46284.0384473957. The cubic root of 2142212215 is about 1289.1026379367.

Adding to 2142212215 its reverse (5122122412), we get a palindrome (7264334627).

The spelling of 2142212215 in words is "two billion, one hundred forty-two million, two hundred twelve thousand, two hundred fifteen".