12201422 has 16 divisors (see below), whose sum is σ = 18827952. Its totient is φ = 5927040.

The previous prime is 12201419. The next prime is 12201457. The reversal of 12201422 is 22410221.

It is a junction number, because it is equal to n+sod(n) for n = 12201397 and 12201406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28772 + ... + 29192.

It is an arithmetic number, because the mean of its divisors is an integer number (1176747).

Almost surely, 2^12201422 is an apocalyptic number.

12201422 is a deficient number, since it is larger than the sum of its proper divisors (6626530).

12201422 is a wasteful number, since it uses less digits than its factorization.

12201422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12201422 is about 3493.0533920912. The cubic root of 12201422 is about 230.2166955861.

Adding to 12201422 its reverse (22410221), we get a palindrome (34611643).

The spelling of 12201422 in words is "twelve million, two hundred one thousand, four hundred twenty-two".