22244442001 has 2 divisors, whose sum is σ = 22244442002. Its totient is φ = 22244442000.

The previous prime is 22244441939. The next prime is 22244442029. The reversal of 22244442001 is 10024444222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19347419025 + 2897022976 = 139095^2 + 53824^2 .

It is a cyclic number.

It is not a de Polignac number, because 22244442001 - 2⁹ = 22244441489 is a prime.

It is not a weakly prime, because it can be changed into another prime (22244442061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122221000 + 11122221001.

It is an arithmetic number, because the mean of its divisors is an integer number (11122221001).

Almost surely, 2^22244442001 is an apocalyptic number.

It is an amenable number.

22244442001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244442001 is an equidigital number, since it uses as much as digits as its factorization.

22244442001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22244442001 its reverse (10024444222), we get a palindrome (32268886223).

The spelling of 22244442001 in words is "twenty-two billion, two hundred forty-four million, four hundred forty-two thousand, one".