22021423402007 has 2 divisors, whose sum is σ = 22021423402008. Its totient is φ = 22021423402006.

The previous prime is 22021423401979. The next prime is 22021423402049. The reversal of 22021423402007 is 70020432412022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22021423402007 - 2¹⁰ = 22021423400983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021423402207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010711701003 + 11010711701004.

It is an arithmetic number, because the mean of its divisors is an integer number (11010711701004).

Almost surely, 2^{22021423402007} is an apocalyptic number.

22021423402007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021423402007 is an equidigital number, since it uses as much as digits as its factorization.

22021423402007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 22021423402007 its reverse (70020432412022), we get a palindrome (92041855814029).

The spelling of 22021423402007 in words is "twenty-two trillion, twenty-one billion, four hundred twenty-three million, four hundred two thousand, seven".