2194554912 has 48 divisors (see below), whose sum is σ = 6284410272. Its totient is φ = 665016320.

The previous prime is 2194554881. The next prime is 2194554919.

2194554912 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (2194554919) 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, 1038033 + ... + 1040144.

It is an arithmetic number, because the mean of its divisors is an integer number (130925214).

Almost surely, 2^2194554912 is an apocalyptic number.

2194554912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2194554912 is an abundant number, since it is smaller than the sum of its proper divisors (4089855360).

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

2194554912 is a wasteful number, since it uses less digits than its factorization.

2194554912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078201 (or 2078193 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 2194554912 is about 46846.0768047870. The cubic root of 2194554912 is about 1299.5175551036.

The spelling of 2194554912 in words is "two billion, one hundred ninety-four million, five hundred fifty-four thousand, nine hundred twelve".