2194828802 has 4 divisors (see below), whose sum is σ = 3292243206. Its totient is φ = 1097414400.

The previous prime is 2194828793. The next prime is 2194828817. The reversal of 2194828802 is 2088284912.

It is a happy number.

It is a Cunningham number, because it is equal to 46849²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2194828801 + 1 = 46849^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548707199 + ... + 548707202.

Almost surely, 2^2194828802 is an apocalyptic number.

2194828802 is a deficient number, since it is larger than the sum of its proper divisors (1097414404).

2194828802 is a wasteful number, since it uses less digits than its factorization.

2194828802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097414403.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 2194828802 is about 46849.0000106726. Note that the first 4 decimals coincide. The cubic root of 2194828802 is about 1299.5716146694.

The spelling of 2194828802 in words is "two billion, one hundred ninety-four million, eight hundred twenty-eight thousand, eight hundred two".