22749101 has 2 divisors, whose sum is σ = 22749102. Its totient is φ = 22749100.

The previous prime is 22749073. The next prime is 22749121. The reversal of 22749101 is 10194722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12180100 + 10569001 = 3490^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 22749101 - 2⁶ = 22749037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22749121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11374550 + 11374551.

It is an arithmetic number, because the mean of its divisors is an integer number (11374551).

Almost surely, 2^22749101 is an apocalyptic number.

It is an amenable number.

22749101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22749101 is an equidigital number, since it uses as much as digits as its factorization.

22749101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 22749101 is about 4769.6017653469. The cubic root of 22749101 is about 283.3488229902.

The spelling of 22749101 in words is "twenty-two million, seven hundred forty-nine thousand, one hundred one".