2195219400 has 192 divisors, whose sum is σ = 7483449600. Its totient is φ = 527904000.

The previous prime is 2195219381. The next prime is 2195219413. The reversal of 2195219400 is 49125912.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 863331 + ... + 865869.

It is an arithmetic number, because the mean of its divisors is an integer number (38976300).

Almost surely, 2^2195219400 is an apocalyptic number.

2195219400 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 2195219400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3741724800).

2195219400 is an abundant number, since it is smaller than the sum of its proper divisors (5288230200).

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

2195219400 is a wasteful number, since it uses less digits than its factorization.

2195219400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2691 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 2195219400 is about 46853.1685161207. The cubic root of 2195219400 is about 1299.6487019217.

The spelling of 2195219400 in words is "two billion, one hundred ninety-five million, two hundred nineteen thousand, four hundred".