22224422 has 8 divisors (see below), whose sum is σ = 36367272. Its totient is φ = 10102000.

The previous prime is 22224401. The next prime is 22224431. The reversal of 22224422 is 22442222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22224394 and 22224403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505079 + ... + 505122.

It is an arithmetic number, because the mean of its divisors is an integer number (4545909).

Almost surely, 2^22224422 is an apocalyptic number.

22224422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22224422 is a deficient number, since it is larger than the sum of its proper divisors (14142850).

22224422 is a wasteful number, since it uses less digits than its factorization.

22224422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010214.

The product of its digits is 1024, while the sum is 20.

The square root of 22224422 is about 4714.2785238040. The cubic root of 22224422 is about 281.1534982833.

Adding to 22224422 its reverse (22442222), we get a palindrome (44666644).

It can be divided in two parts, 22 and 224422, that multiplied together give a square (4937284 = 2222²).

The spelling of 22224422 in words is "twenty-two million, two hundred twenty-four thousand, four hundred twenty-two".