20222413261 has 2 divisors, whose sum is σ = 20222413262. Its totient is φ = 20222413260.

The previous prime is 20222413259. The next prime is 20222413273. The reversal of 20222413261 is 16231422202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17422416036 + 2799997225 = 131994^2 + 52915^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222413261 - 2¹ = 20222413259 is a prime.

It is a super-3 number, since 3×20222413261³ (a number of 32 digits) contains 333 as substring.

Together with 20222413259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222413361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111206630 + 10111206631.

It is an arithmetic number, because the mean of its divisors is an integer number (10111206631).

Almost surely, 2^20222413261 is an apocalyptic number.

It is an amenable number.

20222413261 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222413261 is an equidigital number, since it uses as much as digits as its factorization.

20222413261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20222413261 its reverse (16231422202), we get a palindrome (36453835463).

The spelling of 20222413261 in words is "twenty billion, two hundred twenty-two million, four hundred thirteen thousand, two hundred sixty-one".