2249261215 has 4 divisors (see below), whose sum is σ = 2699113464. Its totient is φ = 1799408968.

The previous prime is 2249261207. The next prime is 2249261233. The reversal of 2249261215 is 5121629422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2249261215 - 2³ = 2249261207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 224926117 + ... + 224926126.

It is an arithmetic number, because the mean of its divisors is an integer number (674778366).

Almost surely, 2^2249261215 is an apocalyptic number.

2249261215 is a deficient number, since it is larger than the sum of its proper divisors (449852249).

2249261215 is an equidigital number, since it uses as much as digits as its factorization.

2249261215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449852248.

The product of its digits is 17280, while the sum is 34.

The square root of 2249261215 is about 47426.3767854978. The cubic root of 2249261215 is about 1310.2272618169.

The spelling of 2249261215 in words is "two billion, two hundred forty-nine million, two hundred sixty-one thousand, two hundred fifteen".