2195599902 has 16 divisors (see below), whose sum is σ = 4392186240. Its totient is φ = 731702232.

The previous prime is 2195599883. The next prime is 2195599907. The reversal of 2195599902 is 2099955912.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195599907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10402 + ... + 67077.

It is an arithmetic number, because the mean of its divisors is an integer number (274511640).

Almost surely, 2^2195599902 is an apocalyptic number.

2195599902 is an abundant number, since it is smaller than the sum of its proper divisors (2196586338).

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

2195599902 is a wasteful number, since it uses less digits than its factorization.

2195599902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82207.

The product of its (nonzero) digits is 656100, while the sum is 51.

The square root of 2195599902 is about 46857.2289193461. The cubic root of 2195599902 is about 1299.7237878654.

The spelling of 2195599902 in words is "two billion, one hundred ninety-five million, five hundred ninety-nine thousand, nine hundred two".