2248909221 has 16 divisors (see below), whose sum is σ = 3232814144. Its totient is φ = 1382396544.

The previous prime is 2248909219. The next prime is 2248909231. The reversal of 2248909221 is 1229098422.

It is not a de Polignac number, because 2248909221 - 2¹ = 2248909219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2248909221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2248909231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585 + ... + 67161.

It is an arithmetic number, because the mean of its divisors is an integer number (202050884).

Almost surely, 2^2248909221 is an apocalyptic number.

It is an amenable number.

2248909221 is a deficient number, since it is larger than the sum of its proper divisors (983904923).

2248909221 is a wasteful number, since it uses less digits than its factorization.

2248909221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64500.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2248909221 is about 47422.6656884659. The cubic root of 2248909221 is about 1310.1589110488.

The spelling of 2248909221 in words is "two billion, two hundred forty-eight million, nine hundred nine thousand, two hundred twenty-one".