2215387296804 has 144 divisors (see below), whose sum is σ = 6144123089664. Its totient is φ = 618395796480.

The previous prime is 2215387296799. The next prime is 2215387296823. The reversal of 2215387296804 is 4086927835122.

2215387296804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2215387296804² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205362 + ... + 2114934.

It is an arithmetic number, because the mean of its divisors is an integer number (42667521456).

It is a 1-persistent number, because it is pandigital, but 2⋅2215387296804 = 4430774593608 is not.

Almost surely, 2^{2215387296804} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215387296804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3072061544832).

2215387296804 is an abundant number, since it is smaller than the sum of its proper divisors (3928735792860).

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

2215387296804 is a wasteful number, since it uses less digits than its factorization.

2215387296804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909666 (or 1909653 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 2215387296804 in words is "two trillion, two hundred fifteen billion, three hundred eighty-seven million, two hundred ninety-six thousand, eight hundred four".