22423044202001 has 2 divisors, whose sum is σ = 22423044202002. Its totient is φ = 22423044202000.

The previous prime is 22423044201991. The next prime is 22423044202051. The reversal of 22423044202001 is 10020244032422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22212180480400 + 210863721601 = 4712980^2 + 459199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22423044202001 is a prime.

It is a super-2 number, since 2×22423044202001² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22423044202051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211522101000 + 11211522101001.

It is an arithmetic number, because the mean of its divisors is an integer number (11211522101001).

Almost surely, 2^{22423044202001} is an apocalyptic number.

It is an amenable number.

22423044202001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22423044202001 is an equidigital number, since it uses as much as digits as its factorization.

22423044202001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22423044202001 its reverse (10020244032422), we get a palindrome (32443288234423).

The spelling of 22423044202001 in words is "twenty-two trillion, four hundred twenty-three billion, forty-four million, two hundred two thousand, one".