244422220400 has 30 divisors (see below), whose sum is σ = 587224385472. Its totient is φ = 97768888000.

The previous prime is 244422220397. The next prime is 244422220417. The reversal of 244422220400 is 4022224442.

It is a self number, because there is not a number n which added to its sum of digits gives 244422220400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305527376 + ... + 305528175.

Almost surely, 2^244422220400 is an apocalyptic number.

244422220400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244422220400 is an abundant number, since it is smaller than the sum of its proper divisors (342802165072).

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

244422220400 is a wasteful number, since it uses less digits than its factorization.

244422220400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611055569 (or 611055558 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 244422220400 its reverse (4022224442), we get a palindrome (248444444842).

The spelling of 244422220400 in words is "two hundred forty-four billion, four hundred twenty-two million, two hundred twenty thousand, four hundred".