2066622031 has 2 divisors, whose sum is σ = 2066622032. Its totient is φ = 2066622030.

The previous prime is 2066621959. The next prime is 2066622049. The reversal of 2066622031 is 1302266602.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2066622031 - 2¹¹ = 2066619983 is a prime.

It is a super-2 number, since 2×2066622031² = 8541853238029129922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066622091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033311015 + 1033311016.

It is an arithmetic number, because the mean of its divisors is an integer number (1033311016).

Almost surely, 2^2066622031 is an apocalyptic number.

2066622031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066622031 is an equidigital number, since it uses as much as digits as its factorization.

2066622031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2066622031 is about 45460.1147270880. The cubic root of 2066622031 is about 1273.7582745540.

Adding to 2066622031 its reverse (1302266602), we get a palindrome (3368888633).

The spelling of 2066622031 in words is "two billion, sixty-six million, six hundred twenty-two thousand, thirty-one".