2022630581 has 2 divisors, whose sum is σ = 2022630582. Its totient is φ = 2022630580.

The previous prime is 2022630551. The next prime is 2022630593. The reversal of 2022630581 is 1850362202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1935208081 + 87422500 = 43991^2 + 9350^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022630581 - 2¹⁴ = 2022614197 is a prime.

It is a super-2 number, since 2×2022630581² = 8182068934392795122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022630521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011315290 + 1011315291.

It is an arithmetic number, because the mean of its divisors is an integer number (1011315291).

Almost surely, 2^2022630581 is an apocalyptic number.

It is an amenable number.

2022630581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022630581 is an equidigital number, since it uses as much as digits as its factorization.

2022630581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2022630581 is about 44973.6654165524. The cubic root of 2022630581 is about 1264.6553620665.

Adding to 2022630581 its reverse (1850362202), we get a palindrome (3872992783).

The spelling of 2022630581 in words is "two billion, twenty-two million, six hundred thirty thousand, five hundred eighty-one".