2219400828927 has 16 divisors (see below), whose sum is σ = 3298711342080. Its totient is φ = 1474781001336.

The previous prime is 2219400828901. The next prime is 2219400828971. The reversal of 2219400828927 is 7298280049122.

2219400828927 is a `hidden beast` number, since 221 + 9 + 400 + 8 + 2 + 8 + 9 + 2 + 7 = 666.

It is not a de Polignac number, because 2219400828927 - 2⁶ = 2219400828863 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219400827927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133867983 + ... + 133884560.

It is an arithmetic number, because the mean of its divisors is an integer number (206169458880).

Almost surely, 2^{2219400828927} is an apocalyptic number.

2219400828927 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2219400828927 is a deficient number, since it is larger than the sum of its proper divisors (1079310513153).

2219400828927 is a wasteful number, since it uses less digits than its factorization.

2219400828927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267752859 (or 267752853 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 2219400828927 in words is "two trillion, two hundred nineteen billion, four hundred million, eight hundred twenty-eight thousand, nine hundred twenty-seven".