2220400000444 has 48 divisors (see below), whose sum is σ = 4148446046976. Its totient is φ = 1036225299200.

The previous prime is 2220400000433. The next prime is 2220400000463. The reversal of 2220400000444 is 4440000040222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13377507 + ... + 13542469.

It is an arithmetic number, because the mean of its divisors is an integer number (86425959312).

Almost surely, 2^{2220400000444} is an apocalyptic number.

It is an amenable number.

2220400000444 is a deficient number, since it is larger than the sum of its proper divisors (1928046046532).

2220400000444 is a wasteful number, since it uses less digits than its factorization.

2220400000444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166626 (or 166624 counting only the distinct ones).

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

Adding to 2220400000444 its reverse (4440000040222), we get a palindrome (6660400040666).

The spelling of 2220400000444 in words is "two trillion, two hundred twenty billion, four hundred million, four hundred forty-four", and thus it is an aban number.