9122250749 has 2 divisors, whose sum is σ = 9122250750. Its totient is φ = 9122250748.

The previous prime is 9122250713. The next prime is 9122250751. The reversal of 9122250749 is 9470522219.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9033552025 + 88698724 = 95045^2 + 9418^2 .

It is a cyclic number.

It is not a de Polignac number, because 9122250749 - 2¹⁶ = 9122185213 is a prime.

It is a super-2 number, since 2×9122250749² (a number of 21 digits) contains 22 as substring.

Together with 9122250751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9122250649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4561125374 + 4561125375.

It is an arithmetic number, because the mean of its divisors is an integer number (4561125375).

Almost surely, 2^9122250749 is an apocalyptic number.

It is an amenable number.

9122250749 is a deficient number, since it is larger than the sum of its proper divisors (1).

9122250749 is an equidigital number, since it uses as much as digits as its factorization.

9122250749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 9122250749 is about 95510.4745512240. The cubic root of 9122250749 is about 2089.4597131386.

The spelling of 9122250749 in words is "nine billion, one hundred twenty-two million, two hundred fifty thousand, seven hundred forty-nine".