2242344440 has 32 divisors (see below), whose sum is σ = 5766029280. Its totient is φ = 768803712.

The previous prime is 2242344437. The next prime is 2242344449. The reversal of 2242344440 is 444432422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242344449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4003907 + ... + 4004466.

It is an arithmetic number, because the mean of its divisors is an integer number (180188415).

Almost surely, 2^2242344440 is an apocalyptic number.

2242344440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2242344440 is an abundant number, since it is smaller than the sum of its proper divisors (3523684840).

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

2242344440 is a wasteful number, since it uses less digits than its factorization.

2242344440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008391 (or 8008387 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 2242344440 is about 47353.3994555829. The cubic root of 2242344440 is about 1308.8828422180.

Adding to 2242344440 its reverse (444432422), we get a palindrome (2686776862).

The spelling of 2242344440 in words is "two billion, two hundred forty-two million, three hundred forty-four thousand, four hundred forty".