2422122221440 has 32 divisors (see below), whose sum is σ = 5790385937160. Its totient is φ = 968848888320.

The previous prime is 2422122221399. The next prime is 2422122221479. The reversal of 2422122221440 is 441222212242.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 2422122221399 and 2422122221408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892282346 + ... + 1892283625.

Almost surely, 2^{2422122221440} is an apocalyptic number.

2422122221440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2422122221440 is an abundant number, since it is smaller than the sum of its proper divisors (3368263715720).

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

2422122221440 is an equidigital number, since it uses as much as digits as its factorization.

2422122221440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784565990 (or 3784565978 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 2422122221440 its reverse (441222212242), we get a palindrome (2863344433682).

The spelling of 2422122221440 in words is "two trillion, four hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, four hundred forty".