2066228623 has 4 divisors (see below), whose sum is σ = 2066323680. Its totient is φ = 2066133568.

The previous prime is 2066228599. The next prime is 2066228653. The reversal of 2066228623 is 3268226602.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2066228623 - 2²⁵ = 2032674191 is a prime.

It is a super-2 number, since 2×2066228623² = 8538601445008952258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066228653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2943 + ... + 64351.

It is an arithmetic number, because the mean of its divisors is an integer number (516580920).

Almost surely, 2^2066228623 is an apocalyptic number.

2066228623 is a deficient number, since it is larger than the sum of its proper divisors (95057).

2066228623 is an equidigital number, since it uses as much as digits as its factorization.

2066228623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95056.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 2066228623 is about 45455.7875633016. The cubic root of 2066228623 is about 1273.6774440186.

The spelling of 2066228623 in words is "two billion, sixty-six million, two hundred twenty-eight thousand, six hundred twenty-three".