2242321345 has 16 divisors (see below), whose sum is σ = 2936388672. Its totient is φ = 1630231360.

The previous prime is 2242321343. The next prime is 2242321381. The reversal of 2242321345 is 5431232422.

It is not a de Polignac number, because 2242321345 - 2¹ = 2242321343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2242321343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235854 + ... + 245176.

It is an arithmetic number, because the mean of its divisors is an integer number (183524292).

Almost surely, 2^2242321345 is an apocalyptic number.

It is an amenable number.

2242321345 is a deficient number, since it is larger than the sum of its proper divisors (694067327).

2242321345 is a wasteful number, since it uses less digits than its factorization.

2242321345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13712.

The product of its digits is 11520, while the sum is 28.

The square root of 2242321345 is about 47353.1555970666. The cubic root of 2242321345 is about 1308.8783485948.

Adding to 2242321345 its reverse (5431232422), we get a palindrome (7673553767).

The spelling of 2242321345 in words is "two billion, two hundred forty-two million, three hundred twenty-one thousand, three hundred forty-five".