2887221600 has 216 divisors, whose sum is σ = 10218564720. Its totient is φ = 767093760.

The previous prime is 2887221593. The next prime is 2887221619. The reversal of 2887221600 is 61227882.

It is a happy number.

2887221600 is a `hidden beast` number, since 28 + 8 + 7 + 2 + 21 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2584242 + ... + 2585358.

It is an arithmetic number, because the mean of its divisors is an integer number (47308170).

Almost surely, 2^2887221600 is an apocalyptic number.

2887221600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2887221600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5109282360).

2887221600 is an abundant number, since it is smaller than the sum of its proper divisors (7331343120).

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

2887221600 is a wasteful number, since it uses less digits than its factorization.

2887221600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1486 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 2887221600 is about 53732.8726200266. The cubic root of 2887221600 is about 1423.9455172102.

The spelling of 2887221600 in words is "two billion, eight hundred eighty-seven million, two hundred twenty-one thousand, six hundred".