2022220064 has 12 divisors (see below), whose sum is σ = 3981245814. Its totient is φ = 1011110016.

The previous prime is 2022220043. The next prime is 2022220069. The reversal of 2022220064 is 4600222202.

It can be written as a sum of positive squares in only one way, i.e., 2016010000 + 6210064 = 44900^2 + 2492^2 .

It is not an unprimeable number, because it can be changed into a prime (2022220069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31597157 + ... + 31597220.

Almost surely, 2^2022220064 is an apocalyptic number.

It is an amenable number.

2022220064 is a deficient number, since it is larger than the sum of its proper divisors (1959025750).

2022220064 is an equidigital number, since it uses as much as digits as its factorization.

2022220064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63194387 (or 63194379 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2022220064 is about 44969.1012140559. The cubic root of 2022220064 is about 1264.5697973144.

Adding to 2022220064 its reverse (4600222202), we get a palindrome (6622442266).

The spelling of 2022220064 in words is "two billion, twenty-two million, two hundred twenty thousand, sixty-four".