2022221647 has 2 divisors, whose sum is σ = 2022221648. Its totient is φ = 2022221646.

The previous prime is 2022221633. The next prime is 2022221659. The reversal of 2022221647 is 7461222202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2022221647 - 2²⁷ = 1888003919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022221447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011110823 + 1011110824.

It is an arithmetic number, because the mean of its divisors is an integer number (1011110824).

Almost surely, 2^2022221647 is an apocalyptic number.

2022221647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022221647 is an equidigital number, since it uses as much as digits as its factorization.

2022221647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 2022221647 is about 44969.1188150268. The cubic root of 2022221647 is about 1264.5701272840.

Adding to 2022221647 its reverse (7461222202), we get a palindrome (9483443849).

The spelling of 2022221647 in words is "two billion, twenty-two million, two hundred twenty-one thousand, six hundred forty-seven".