2022185881 has 2 divisors, whose sum is σ = 2022185882. Its totient is φ = 2022185880.

The previous prime is 2022185843. The next prime is 2022185911. The reversal of 2022185881 is 1885812202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1543232656 + 478953225 = 39284^2 + 21885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022185881 - 2¹⁵ = 2022153113 is a prime.

It is a super-2 number, since 2×2022185881² = 8178471474631492322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2022185881.

It is not a weakly prime, because it can be changed into another prime (2022185801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011092940 + 1011092941.

It is an arithmetic number, because the mean of its divisors is an integer number (1011092941).

Almost surely, 2^2022185881 is an apocalyptic number.

It is an amenable number.

2022185881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022185881 is an equidigital number, since it uses as much as digits as its factorization.

2022185881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 2022185881 is about 44968.7211403660. The cubic root of 2022185881 is about 1264.5626719717.

It can be divided in two parts, 2022185 and 881, that added together give a triangular number (2023066 = T₂₀₁₁).

The spelling of 2022185881 in words is "two billion, twenty-two million, one hundred eighty-five thousand, eight hundred eighty-one".