20222400361 has 2 divisors, whose sum is σ = 20222400362. Its totient is φ = 20222400360.

The previous prime is 20222400311. The next prime is 20222400427. The reversal of 20222400361 is 16300422202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19420094736 + 802305625 = 139356^2 + 28325^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222400361 - 2¹⁵ = 20222367593 is a prime.

It is not a weakly prime, because it can be changed into another prime (20222400301) 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, 10111200180 + 10111200181.

It is an arithmetic number, because the mean of its divisors is an integer number (10111200181).

Almost surely, 2^20222400361 is an apocalyptic number.

It is an amenable number.

20222400361 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222400361 is an equidigital number, since it uses as much as digits as its factorization.

20222400361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20222400361 its reverse (16300422202), we get a palindrome (36522822563).

The spelling of 20222400361 in words is "twenty billion, two hundred twenty-two million, four hundred thousand, three hundred sixty-one".