922748549 has 2 divisors, whose sum is σ = 922748550. Its totient is φ = 922748548.

The previous prime is 922748537. The next prime is 922748579. The reversal of 922748549 is 945847229.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 757240324 + 165508225 = 27518^2 + 12865^2 .

It is an emirp because it is prime and its reverse (945847229) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 922748549 - 2¹² = 922744453 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 922748497 and 922748506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (922748579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461374274 + 461374275.

It is an arithmetic number, because the mean of its divisors is an integer number (461374275).

Almost surely, 2^922748549 is an apocalyptic number.

It is an amenable number.

922748549 is a deficient number, since it is larger than the sum of its proper divisors (1).

922748549 is an equidigital number, since it uses as much as digits as its factorization.

922748549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 922748549 is about 30376.7764748006. The cubic root of 922748549 is about 973.5564169211.

The spelling of 922748549 in words is "nine hundred twenty-two million, seven hundred forty-eight thousand, five hundred forty-nine".