2215251351 has 48 divisors (see below), whose sum is σ = 3550030848. Its totient is φ = 1324857600.

The previous prime is 2215251349. The next prime is 2215251373. The reversal of 2215251351 is 1531525122.

2215251351 is a `hidden beast` number, since 2 + 2 + 1 + 525 + 135 + 1 = 666.

It is not a de Polignac number, because 2215251351 - 2¹ = 2215251349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215251331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314296 + ... + 321266.

It is an arithmetic number, because the mean of its divisors is an integer number (73958976).

Almost surely, 2^2215251351 is an apocalyptic number.

2215251351 is a deficient number, since it is larger than the sum of its proper divisors (1334779497).

2215251351 is a wasteful number, since it uses less digits than its factorization.

2215251351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7092 (or 7089 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 2215251351 is about 47066.4567500040. The cubic root of 2215251351 is about 1303.5899492240.

Adding to 2215251351 its reverse (1531525122), we get a palindrome (3746776473).

The spelling of 2215251351 in words is "two billion, two hundred fifteen million, two hundred fifty-one thousand, three hundred fifty-one".