2195774340 has 48 divisors (see below), whose sum is σ = 6209058240. Its totient is φ = 579740800.

The previous prime is 2195774323. The next prime is 2195774351. The reversal of 2195774340 is 434775912.

It is a junction number, because it is equal to n+sod(n) for n = 2195774292 and 2195774301.

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 15 ways as a sum of consecutive naturals, for example, 175110 + ... + 187229.

It is an arithmetic number, because the mean of its divisors is an integer number (129355380).

Almost surely, 2^2195774340 is an apocalyptic number.

2195774340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2195774340 is an abundant number, since it is smaller than the sum of its proper divisors (4013283900).

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

2195774340 is a wasteful number, since it uses less digits than its factorization.

2195774340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362452 (or 362450 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 2195774340 is about 46859.0902600552. The cubic root of 2195774340 is about 1299.7582074963.

The spelling of 2195774340 in words is "two billion, one hundred ninety-five million, seven hundred seventy-four thousand, three hundred forty".