2242220440 has 32 divisors (see below), whose sum is σ = 5341762080. Its totient is φ = 844129792.

The previous prime is 2242220411. The next prime is 2242220441. The reversal of 2242220440 is 440222422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242220441) 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 7 ways as a sum of consecutive naturals, for example, 1648012 + ... + 1649371.

It is an arithmetic number, because the mean of its divisors is an integer number (166930065).

Almost surely, 2^2242220440 is an apocalyptic number.

2242220440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2242220440 is an abundant number, since it is smaller than the sum of its proper divisors (3099541640).

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

2242220440 is a wasteful number, since it uses less digits than its factorization.

2242220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297411 (or 3297407 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2242220440 is about 47352.0901333827. The cubic root of 2242220440 is about 1308.8587150201.

Adding to 2242220440 its reverse (440222422), we get a palindrome (2682442862).

The spelling of 2242220440 in words is "two billion, two hundred forty-two million, two hundred twenty thousand, four hundred forty".