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9122 = 24561
BaseRepresentation
bin10001110100010
3110111212
42032202
5242442
6110122
735411
oct21642
913455
109122
116943
125342
1341c9
143478
152a82
hex23a2

9122 has 4 divisors (see below), whose sum is σ = 13686. Its totient is φ = 4560.

The previous prime is 9109. The next prime is 9127. The reversal of 9122 is 2219.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2219 = 7317.

It can be written as a sum of positive squares in only one way, i.e., 8281 + 841 = 91^2 + 29^2 .

It is a d-powerful number, because it can be written as 94 + 29 + 1 + 211 .

It is a plaindrome in base 9 and base 14.

It is a junction number, because it is equal to n+sod(n) for n = 9097 and 9106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2279 + ... + 2282.

29122 is an apocalyptic number.

9122 is a deficient number, since it is larger than the sum of its proper divisors (4564).

9122 is a wasteful number, since it uses less digits than its factorization.

9122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563.

The product of its digits is 36, while the sum is 14.

The square root of 9122 is about 95.5091618642. The cubic root of 9122 is about 20.8944056820.

Subtracting from 9122 its reverse (2219), we obtain a triangular number (6903 = T117).

It can be divided in two parts, 91 and 22, that multiplied together give a palindrome (2002).

The spelling of 9122 in words is "nine thousand, one hundred twenty-two".

Divisors: 1 2 4561 9122