20222522813 has 2 divisors, whose sum is σ = 20222522814. Its totient is φ = 20222522812.

The previous prime is 20222522809. The next prime is 20222522843. The reversal of 20222522813 is 31822522202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19280155609 + 942367204 = 138853^2 + 30698^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222522813 - 2² = 20222522809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222522843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111261406 + 10111261407.

It is an arithmetic number, because the mean of its divisors is an integer number (10111261407).

Almost surely, 2^20222522813 is an apocalyptic number.

It is an amenable number.

20222522813 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222522813 is an equidigital number, since it uses as much as digits as its factorization.

20222522813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 20222522813 in words is "twenty billion, two hundred twenty-two million, five hundred twenty-two thousand, eight hundred thirteen".