22254442201 has 2 divisors, whose sum is σ = 22254442202. Its totient is φ = 22254442200.

The previous prime is 22254442163. The next prime is 22254442241. The reversal of 22254442201 is 10224445222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17762225625 + 4492216576 = 133275^2 + 67024^2 .

It is a cyclic number.

It is not a de Polignac number, because 22254442201 - 2⁷ = 22254442073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22254442201.

It is not a weakly prime, because it can be changed into another prime (22254442241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11127221100 + 11127221101.

It is an arithmetic number, because the mean of its divisors is an integer number (11127221101).

Almost surely, 2^22254442201 is an apocalyptic number.

It is an amenable number.

22254442201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22254442201 is an equidigital number, since it uses as much as digits as its factorization.

22254442201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 22254442201 its reverse (10224445222), we get a palindrome (32478887423).

The spelling of 22254442201 in words is "twenty-two billion, two hundred fifty-four million, four hundred forty-two thousand, two hundred one".