2242320444 has 72 divisors (see below), whose sum is σ = 6976118240. Its totient is φ = 591380352.

The previous prime is 2242320433. The next prime is 2242320461. The reversal of 2242320444 is 4440232422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338959 + ... + 345510.

Almost surely, 2^2242320444 is an apocalyptic number.

It is an amenable number.

2242320444 is an abundant number, since it is smaller than the sum of its proper divisors (4733797796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2242320444 is a wasteful number, since it uses less digits than its factorization.

2242320444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684499 (or 684494 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2242320444 is about 47353.1460834441. The cubic root of 2242320444 is about 1308.8781732855.

Adding to 2242320444 its reverse (4440232422), we get a palindrome (6682552866).

The spelling of 2242320444 in words is "two billion, two hundred forty-two million, three hundred twenty thousand, four hundred forty-four".