2244880397 has 4 divisors (see below), whose sum is σ = 2265475740. Its totient is φ = 2224285056.

The previous prime is 2244880387. The next prime is 2244880399. The reversal of 2244880397 is 7930884422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7930884422 = 2 ⋅3965442211.

It can be written as a sum of positive squares in 2 ways, for example, as 845297476 + 1399582921 = 29074^2 + 37411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2244880397 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 (2244880399) 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 3 ways as a sum of consecutive naturals, for example, 10297508 + ... + 10297725.

It is an arithmetic number, because the mean of its divisors is an integer number (566368935).

Almost surely, 2^2244880397 is an apocalyptic number.

It is an amenable number.

2244880397 is a deficient number, since it is larger than the sum of its proper divisors (20595343).

2244880397 is a wasteful number, since it uses less digits than its factorization.

2244880397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20595342.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 2244880397 is about 47380.1688156554. The cubic root of 2244880397 is about 1309.3760789741.

The spelling of 2244880397 in words is "two billion, two hundred forty-four million, eight hundred eighty thousand, three hundred ninety-seven".