2022189881 has 2 divisors, whose sum is σ = 2022189882. Its totient is φ = 2022189880.

The previous prime is 2022189803. The next prime is 2022189887. The reversal of 2022189881 is 1889812202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2019693481 + 2496400 = 44941^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022189881 - 2¹⁴ = 2022173497 is a prime.

It is a super-2 number, since 2×2022189881² = 8178503829637588322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2022189887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011094940 + 1011094941.

It is an arithmetic number, because the mean of its divisors is an integer number (1011094941).

Almost surely, 2^2022189881 is an apocalyptic number.

It is an amenable number.

2022189881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022189881 is an equidigital number, since it uses as much as digits as its factorization.

2022189881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 2022189881 is about 44968.7656157026. The cubic root of 2022189881 is about 1264.5635057637.

The spelling of 2022189881 in words is "two billion, twenty-two million, one hundred eighty-nine thousand, eight hundred eighty-one".