12022722 has 16 divisors (see below), whose sum is σ = 26717280. Its totient is φ = 4007556.

The previous prime is 12022697. The next prime is 12022727. The reversal of 12022722 is 22722021.

It is a happy number.

It is a super-3 number, since 3×12022722³ (a number of 22 digits) contains 333 as substring.

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 = 12022695 and 12022704.

It is not an unprimeable number, because it can be changed into a prime (12022727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111268 + ... + 111375.

It is an arithmetic number, because the mean of its divisors is an integer number (1669830).

Almost surely, 2^12022722 is an apocalyptic number.

12022722 is an abundant number, since it is smaller than the sum of its proper divisors (14694558).

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

12022722 is a wasteful number, since it uses less digits than its factorization.

12022722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222654 (or 222648 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 12022722 is about 3467.3797023112. The cubic root of 12022722 is about 229.0872584968.

Adding to 12022722 its reverse (22722021), we get a palindrome (34744743).

The spelling of 12022722 in words is "twelve million, twenty-two thousand, seven hundred twenty-two".