2242444444640 has 48 divisors (see below), whose sum is σ = 5387567819760. Its totient is φ = 881774760960.

The previous prime is 2242444444609. The next prime is 2242444444661. The reversal of 2242444444640 is 464444442422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2242444444591 and 2242444444600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118764101 + ... + 118782980.

It is an arithmetic number, because the mean of its divisors is an integer number (112240996245).

Almost surely, 2^{2242444444640} is an apocalyptic number.

2242444444640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2242444444640 is an abundant number, since it is smaller than the sum of its proper divisors (3145123375120).

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

2242444444640 is a wasteful number, since it uses less digits than its factorization.

2242444444640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237547155 (or 237547147 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 44.

The spelling of 2242444444640 in words is "two trillion, two hundred forty-two billion, four hundred forty-four million, four hundred forty-four thousand, six hundred forty".