2195554036 has 36 divisors (see below), whose sum is σ = 4168286892. Its totient is φ = 1011439104.

The previous prime is 2195554027. The next prime is 2195554057. The reversal of 2195554036 is 6304555912.

It can be written as a sum of positive squares in 6 ways, for example, as 4752400 + 2190801636 = 2180^2 + 46806^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2195554036.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398130 + ... + 403606.

It is an arithmetic number, because the mean of its divisors is an integer number (115785747).

Almost surely, 2^2195554036 is an apocalyptic number.

2195554036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2195554036 is a deficient number, since it is larger than the sum of its proper divisors (1972732856).

2195554036 is a wasteful number, since it uses less digits than its factorization.

2195554036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100 (or 6085 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 2195554036 is about 46856.7394939085. The cubic root of 2195554036 is about 1299.7147374086.

The spelling of 2195554036 in words is "two billion, one hundred ninety-five million, five hundred fifty-four thousand, thirty-six".