2022221287 has 2 divisors, whose sum is σ = 2022221288. Its totient is φ = 2022221286.

The previous prime is 2022221263. The next prime is 2022221297. The reversal of 2022221287 is 7821222202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2022221287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022221237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011110643 + 1011110644.

It is an arithmetic number, because the mean of its divisors is an integer number (1011110644).

Almost surely, 2^2022221287 is an apocalyptic number.

2022221287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022221287 is an equidigital number, since it uses as much as digits as its factorization.

2022221287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 2022221287 is about 44969.1148122798. The cubic root of 2022221287 is about 1264.5700522436.

Adding to 2022221287 its reverse (7821222202), we get a palindrome (9843443489).

The spelling of 2022221287 in words is "two billion, twenty-two million, two hundred twenty-one thousand, two hundred eighty-seven".