2215513351 has 16 divisors (see below), whose sum is σ = 2311914528. Its totient is φ = 2121292800.

The previous prime is 2215513337. The next prime is 2215513379. The reversal of 2215513351 is 1533155122.

It is a cyclic number.

It is not a de Polignac number, because 2215513351 - 2²¹ = 2213416199 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 (2215513331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707535 + ... + 1708831.

It is an arithmetic number, because the mean of its divisors is an integer number (144494658).

Almost surely, 2^2215513351 is an apocalyptic number.

2215513351 is a deficient number, since it is larger than the sum of its proper divisors (96401177).

2215513351 is a wasteful number, since it uses less digits than its factorization.

2215513351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082.

The product of its digits is 4500, while the sum is 28.

The square root of 2215513351 is about 47069.2399662455. The cubic root of 2215513351 is about 1303.6413394951.

Adding to 2215513351 its reverse (1533155122), we get a palindrome (3748668473).

The spelling of 2215513351 in words is "two billion, two hundred fifteen million, five hundred thirteen thousand, three hundred fifty-one".