22020667 has 2 divisors, whose sum is σ = 22020668. Its totient is φ = 22020666.

The previous prime is 22020659. The next prime is 22020673. The reversal of 22020667 is 76602022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22020667 - 2³ = 22020659 is a prime.

It is not a weakly prime, because it can be changed into another prime (22020617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010333 + 11010334.

It is an arithmetic number, because the mean of its divisors is an integer number (11010334).

Almost surely, 2^22020667 is an apocalyptic number.

22020667 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020667 is an equidigital number, since it uses as much as digits as its factorization.

22020667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22020667 is about 4692.6183522635. The cubic root of 22020667 is about 280.2916476453.

Adding to 22020667 its reverse (76602022), we get a palindrome (98622689).

The spelling of 22020667 in words is "twenty-two million, twenty thousand, six hundred sixty-seven".