2022022649 has 2 divisors, whose sum is σ = 2022022650. Its totient is φ = 2022022648.

The previous prime is 2022022643. The next prime is 2022022733. The reversal of 2022022649 is 9462202202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1885296400 + 136726249 = 43420^2 + 11693^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022022649 - 2²⁴ = 2005245433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2022022643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011011324 + 1011011325.

It is an arithmetic number, because the mean of its divisors is an integer number (1011011325).

Almost surely, 2^2022022649 is an apocalyptic number.

It is an amenable number.

2022022649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022022649 is an equidigital number, since it uses as much as digits as its factorization.

2022022649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2022022649 is about 44966.9061533035. The cubic root of 2022022649 is about 1264.5286456490.

The spelling of 2022022649 in words is "two billion, twenty-two million, twenty-two thousand, six hundred forty-nine".