2228427441840 has 40 divisors (see below), whose sum is σ = 6908125070448. Its totient is φ = 594247317760.

The previous prime is 2228427441811. The next prime is 2228427441841. The reversal of 2228427441840 is 481447248222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2228427441840.

It is not an unprimeable number, because it can be changed into a prime (2228427441841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4642556931 + ... + 4642557410.

Almost surely, 2^{2228427441840} is an apocalyptic number.

2228427441840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228427441840 is an abundant number, since it is smaller than the sum of its proper divisors (4679697628608).

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

2228427441840 is a wasteful number, since it uses less digits than its factorization.

2228427441840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9285114357 (or 9285114351 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 48.

The spelling of 2228427441840 in words is "two trillion, two hundred twenty-eight billion, four hundred twenty-seven million, four hundred forty-one thousand, eight hundred forty".