2028664822 has 4 divisors (see below), whose sum is σ = 3042997236. Its totient is φ = 1014332410.

The previous prime is 2028664787. The next prime is 2028664867. The reversal of 2028664822 is 2284668202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2284668202 = 2 ⋅1142334101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507166204 + ... + 507166207.

It is an arithmetic number, because the mean of its divisors is an integer number (760749309).

Almost surely, 2^2028664822 is an apocalyptic number.

2028664822 is a deficient number, since it is larger than the sum of its proper divisors (1014332414).

2028664822 is a wasteful number, since it uses less digits than its factorization.

2028664822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014332413.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 2028664822 is about 45040.7018373382. The cubic root of 2028664822 is about 1265.9117554232.

The spelling of 2028664822 in words is "two billion, twenty-eight million, six hundred sixty-four thousand, eight hundred twenty-two".