2215154215 has 8 divisors (see below), whose sum is σ = 2690211888. Its totient is φ = 1750772160.

The previous prime is 2215154209. The next prime is 2215154231. The reversal of 2215154215 is 5124515122.

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

It is not a de Polignac number, because 2215154215 - 2⁷ = 2215154087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668446 + ... + 2669275.

It is an arithmetic number, because the mean of its divisors is an integer number (336276486).

Almost surely, 2^2215154215 is an apocalyptic number.

2215154215 is a deficient number, since it is larger than the sum of its proper divisors (475057673).

2215154215 is an equidigital number, since it uses as much as digits as its factorization.

2215154215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337809.

The product of its digits is 4000, while the sum is 28.

The square root of 2215154215 is about 47065.4248360726. The cubic root of 2215154215 is about 1303.5708953494.

Adding to 2215154215 its reverse (5124515122), we get a palindrome (7339669337).

The spelling of 2215154215 in words is "two billion, two hundred fifteen million, one hundred fifty-four thousand, two hundred fifteen".