2195203028 has 6 divisors (see below), whose sum is σ = 3841605306. Its totient is φ = 1097601512.

The previous prime is 2195203027. The next prime is 2195203051. The reversal of 2195203028 is 8203025912.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2008115344 + 187087684 = 44812^2 + 13678^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2195202985 and 2195203003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195203027) by changing a digit.

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 as a sum of consecutive naturals, namely, 274400375 + ... + 274400382.

It is an arithmetic number, because the mean of its divisors is an integer number (640267551).

Almost surely, 2^2195203028 is an apocalyptic number.

It is an amenable number.

2195203028 is a deficient number, since it is larger than the sum of its proper divisors (1646402278).

2195203028 is a wasteful number, since it uses less digits than its factorization.

2195203028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548800761 (or 548800759 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2195203028 is about 46852.9937997563. The cubic root of 2195203028 is about 1299.6454709764.

The spelling of 2195203028 in words is "two billion, one hundred ninety-five million, two hundred three thousand, twenty-eight".