922122 has 12 divisors (see below), whose sum is σ = 1997970. Its totient is φ = 307368.

The previous prime is 922099. The next prime is 922123. The reversal of 922122 is 221229.

It can be written as a sum of positive squares in only one way, i.e., 881721 + 40401 = 939^2 + 201^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 51229 = 922122 / (9 + 2 + 2 + 1 + 2 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 922095 and 922104.

It is not an unprimeable number, because it can be changed into a prime (922123) by changing a digit.

922122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25597 + ... + 25632.

2⁹²²¹²² is an apocalyptic number.

922122 is an abundant number, since it is smaller than the sum of its proper divisors (1075848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

922122 is a wasteful number, since it uses less digits than its factorization.

922122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51237 (or 51234 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 922122 is about 960.2718365130. The cubic root of 922122 is about 97.3336017799. Note that the first 3 decimals are identical.

The spelling of 922122 in words is "nine hundred twenty-two thousand, one hundred twenty-two".