2228887888440 has 64 divisors (see below), whose sum is σ = 6690675461760. Its totient is φ = 594013499520.

The previous prime is 2228887888379. The next prime is 2228887888457. The reversal of 2228887888440 is 448887888222.

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, 5371066 + ... + 5771145.

It is an arithmetic number, because the mean of its divisors is an integer number (104541804090).

Almost surely, 2^{2228887888440} is an apocalyptic number.

2228887888440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228887888440 is an abundant number, since it is smaller than the sum of its proper divisors (4461787573320).

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

2228887888440 is a wasteful number, since it uses less digits than its factorization.

2228887888440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143892 (or 11143888 counting only the distinct ones).

The product of its (nonzero) digits is 234881024, while the sum is 69.

The spelling of 2228887888440 in words is "two trillion, two hundred twenty-eight billion, eight hundred eighty-seven million, eight hundred eighty-eight thousand, four hundred forty".