922443228 has 180 divisors, whose sum is σ = 2838805200. Its totient is φ = 260402688.

The previous prime is 922443227. The next prime is 922443251. The reversal of 922443228 is 822344229.

922443228 is a `hidden beast` number, since 92 + 244 + 322 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 922443192 and 922443201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922443227) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1539673 + ... + 1540271.

It is an arithmetic number, because the mean of its divisors is an integer number (15771140).

Almost surely, 2^922443228 is an apocalyptic number.

922443228 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 922443228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419402600).

922443228 is an abundant number, since it is smaller than the sum of its proper divisors (1916361972).

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

922443228 is a wasteful number, since it uses less digits than its factorization.

922443228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 708 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 922443228 is about 30371.7504928511. The cubic root of 922443228 is about 973.4490276041.

The spelling of 922443228 in words is "nine hundred twenty-two million, four hundred forty-three thousand, two hundred twenty-eight".