2194582045 has 8 divisors (see below), whose sum is σ = 2689530624. Its totient is φ = 1718310864.

The previous prime is 2194582021. The next prime is 2194582067. The reversal of 2194582045 is 5402854912.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2194582045 - 2⁹ = 2194581533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2194581989 and 2194582007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4669089 + ... + 4669558.

It is an arithmetic number, because the mean of its divisors is an integer number (336191328).

Almost surely, 2^2194582045 is an apocalyptic number.

It is an amenable number.

2194582045 is a deficient number, since it is larger than the sum of its proper divisors (494948579).

2194582045 is an equidigital number, since it uses as much as digits as its factorization.

2194582045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338699.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 2194582045 is about 46846.3664012482. The cubic root of 2194582045 is about 1299.5229107324.

The spelling of 2194582045 in words is "two billion, one hundred ninety-four million, five hundred eighty-two thousand, forty-five".