20222413 has 2 divisors, whose sum is σ = 20222414. Its totient is φ = 20222412.

The previous prime is 20222407. The next prime is 20222437. The reversal of 20222413 is 31422202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19954089 + 268324 = 4467^2 + 518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20222413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111206 + 10111207.

It is an arithmetic number, because the mean of its divisors is an integer number (10111207).

Almost surely, 2^20222413 is an apocalyptic number.

It is an amenable number.

20222413 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222413 is an equidigital number, since it uses as much as digits as its factorization.

20222413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20222413 is about 4496.9337331119. The cubic root of 20222413 is about 272.4442575991. Note that the first 3 decimals are identical.

Adding to 20222413 its reverse (31422202), we get a palindrome (51644615).

The spelling of 20222413 in words is "twenty million, two hundred twenty-two thousand, four hundred thirteen".