2243215251 has 12 divisors (see below), whose sum is σ = 3285837360. Its totient is φ = 1474413360.

The previous prime is 2243215181. The next prime is 2243215327. The reversal of 2243215251 is 1525123422.

It is not a de Polignac number, because 2243215251 - 2⁷ = 2243215123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2243214251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1754616 + ... + 1755893.

It is an arithmetic number, because the mean of its divisors is an integer number (273819780).

Almost surely, 2^2243215251 is an apocalyptic number.

2243215251 is a deficient number, since it is larger than the sum of its proper divisors (1042622109).

2243215251 is a wasteful number, since it uses less digits than its factorization.

2243215251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510586 (or 3510583 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2243215251 is about 47362.5933728296. The cubic root of 2243215251 is about 1309.0522544997.

Adding to 2243215251 its reverse (1525123422), we get a palindrome (3768338673).

The spelling of 2243215251 in words is "two billion, two hundred forty-three million, two hundred fifteen thousand, two hundred fifty-one".