22440234101 has 2 divisors, whose sum is σ = 22440234102. Its totient is φ = 22440234100.

The previous prime is 22440234097. The next prime is 22440234143. The reversal of 22440234101 is 10143204422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19831680625 + 2608553476 = 140825^2 + 51074^2 .

It is a cyclic number.

It is not a de Polignac number, because 22440234101 - 2² = 22440234097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22440230101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11220117050 + 11220117051.

It is an arithmetic number, because the mean of its divisors is an integer number (11220117051).

Almost surely, 2^22440234101 is an apocalyptic number.

It is an amenable number.

22440234101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22440234101 is an equidigital number, since it uses as much as digits as its factorization.

22440234101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22440234101 its reverse (10143204422), we get a palindrome (32583438523).

The spelling of 22440234101 in words is "twenty-two billion, four hundred forty million, two hundred thirty-four thousand, one hundred one".