1222032222 has 24 divisors (see below), whose sum is σ = 2709313464. Its totient is φ = 397870704.

The previous prime is 1222032221. The next prime is 1222032239. The reversal of 1222032222 is 2222302221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1222032195 and 1222032204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222032221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 788653 + ... + 790200.

It is an arithmetic number, because the mean of its divisors is an integer number (112888061).

Almost surely, 2^1222032222 is an apocalyptic number.

1222032222 is an abundant number, since it is smaller than the sum of its proper divisors (1487281242).

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

1222032222 is a wasteful number, since it uses less digits than its factorization.

1222032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578904 (or 1578901 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1222032222 is about 34957.5774618322. The cubic root of 1222032222 is about 1069.1227041970.

Adding to 1222032222 its reverse (2222302221), we get a palindrome (3444334443).

The spelling of 1222032222 in words is "one billion, two hundred twenty-two million, thirty-two thousand, two hundred twenty-two".