20224422473 has 2 divisors, whose sum is σ = 20224422474. Its totient is φ = 20224422472.

The previous prime is 20224422469. The next prime is 20224422479. The reversal of 20224422473 is 37422442202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20042631184 + 181791289 = 141572^2 + 13483^2 .

It is a cyclic number.

It is not a de Polignac number, because 20224422473 - 2² = 20224422469 is a prime.

It is not a weakly prime, because it can be changed into another prime (20224422479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112211236 + 10112211237.

It is an arithmetic number, because the mean of its divisors is an integer number (10112211237).

Almost surely, 2^20224422473 is an apocalyptic number.

It is an amenable number.

20224422473 is a deficient number, since it is larger than the sum of its proper divisors (1).

20224422473 is an equidigital number, since it uses as much as digits as its factorization.

20224422473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 32.

Adding to 20224422473 its reverse (37422442202), we get a palindrome (57646864675).

The spelling of 20224422473 in words is "twenty billion, two hundred twenty-four million, four hundred twenty-two thousand, four hundred seventy-three".