2195937216 has 280 divisors, whose sum is σ = 7192493616. Its totient is φ = 656916480.

The previous prime is 2195937187. The next prime is 2195937221. The reversal of 2195937216 is 6127395912.

It is a happy number.

2195937216 is a `hidden beast` number, since 219 + 59 + 372 + 16 = 666.

It is a super-2 number, since 2×2195937216² = 9644280513227661312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5531130 + ... + 5531526.

Almost surely, 2^2195937216 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 2195937216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3596246808).

2195937216 is an abundant number, since it is smaller than the sum of its proper divisors (4996556400).

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

2195937216 is a wasteful number, since it uses less digits than its factorization.

2195937216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 510 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 2195937216 is about 46860.8281616960. The cubic root of 2195937216 is about 1299.7903440991.

The spelling of 2195937216 in words is "two billion, one hundred ninety-five million, nine hundred thirty-seven thousand, two hundred sixteen".