22400242001 has 2 divisors, whose sum is σ = 22400242002. Its totient is φ = 22400242000.

The previous prime is 22400241991. The next prime is 22400242009. The reversal of 22400242001 is 10024200422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22015140625 + 385101376 = 148375^2 + 19624^2 .

It is a cyclic number.

It is not a de Polignac number, because 22400242001 - 2¹⁰ = 22400240977 is a prime.

It is not a weakly prime, because it can be changed into another prime (22400242009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200121000 + 11200121001.

It is an arithmetic number, because the mean of its divisors is an integer number (11200121001).

Almost surely, 2^22400242001 is an apocalyptic number.

It is an amenable number.

22400242001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400242001 is an equidigital number, since it uses as much as digits as its factorization.

22400242001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22400242001 its reverse (10024200422), we get a palindrome (32424442423).

The spelling of 22400242001 in words is "twenty-two billion, four hundred million, two hundred forty-two thousand, one".